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Great mag. 8.0 earthquake - 24km SE of Little Sitkin Island, Alaska on Monday, 23 June 2014

Major mag. 7.9 Earthquake - 24km SE of Little Sitkin Island, Alaska, on Monday, Jun 23, 2014, at 11:53 am (Adak time)

A powerful magnitude 7.9 earthquake occurred in the Bering Sea near the coast of Alaska,  United States, in the morning of Monday, Jun 23, 2014 at 11.53 am local time (America/Adak GMT -9). The quake had a moderate depth of 108 km (67 mi) and was not felt (or at least not reported so).

Major mag. 7.9 Earthquake - 24km SE of Little Sitkin Island, Alaska, on Monday, Jun 23, 2014, at 11:53 am (Adak time) Major mag. 7.9 Earthquake - 24km SE of Little Sitkin Island, Alaska, on Monday, Jun 23, 2014, at 11:53 am (Adak time)
Major magnitude 7.9 earthquake at 108 km depth
23 Jun 21:34 UTC: First to report: USGS after 41 minutes.
Jun 23 22:50: Magnitude recalculated from 8.0 to 7.9.
Hypocenter depth recalculated from 114.4 to 107.5 km.

Earthquake details

Date & timeJun 23, 2014 20:53:09 UTC
Local time at epicenterMonday, Jun 23, 2014, at 11:53 am (America/Adak GMT -9)
StatusConfirmed
Magnitude7.9
Depth107.5 km
Epicenter latitude / longitude51.7972°N / 178.7604°E Bering Sea, Alaska, United States
Seismic antipode51.7972°S / 1.24°W
Shaking intensityStrong shaking near epicenter
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoLittle Sitkin (23 km / 14 mi)
Estimated seismic energy released4.5 x 1016 joules (12408 gigawatt hours, equivalent to 1.1 x 107 tons of TNT or 667.2 atomic bombs!) | about seismic energy
Interactive map
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Ground shaking from this quake

shake map
Map of estimated ground shaking (source:USGS)

Nearby places

The closest larger town where the quake might have been felt is Attu Station, a town with 21 inhabitants in the United States, in 396 km (246 mi) distance west of the epicenter. People likely experienced moderate shaking there.
The following table shows some of the places that might have been affected (or not) by the shaking.
Distance Place Max. shaking intensity(*) Region Country
396 km (246 mi)
W of epicenter
Attu Station
(pop: 21)
V: Moderate
Aleutians West, Alaska
Notes:
(*) Shaking intensity according to the Modified Mercalli Intensity Scale (MMI) and estimated using seismic models.

User-reports for this quake (1)

There are no user reports for this quake yet.

If you felt it, be the first to report it!
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Contribute:
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Translate
(United States, 488 km E of epicenter) : Lasted between 15-30 seconds. (reported through EMSC)  

What is Intensity and the Mercalli Intensity Scale?


The amount of shaking that occurs on the surface due to an earthquake is called the intensity. It is commonly measured on the so-called Modified Mercalli Intensity Scale (MMI) ranging from 1 (not felt) to 10 (extreme shaking), and given in Roman numerals as I,II,...IX, X, and often displayed with color codes ranging from light blue to dark red.
Earthquake intensity depends mainly on the magnitude and depth of the quake as well as the distance from the epicenter: The further away, the less shaking intensity occurs.
Read more about the MMI scale!

Compare Quake Data

Data for the same earthquake as reported by different agencies

The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
Mag Depth Time GMT
2014-06-23
Epicenter Agency
7.9 108 km
67 mi
20:53:09 24km SE of Little Sitkin Island, Alaska USGS (United States Geological Survey)
7.9 100 km
62 mi
20:53:09 RAT ISLANDS, ALEUTIAN ISLANDS
7 km (4.4 mi) epicenter difference with USGS
EMSC (European-Mediterranean Seismological Centre)
7.9 107 km
66 mi
20:53:10 Rat Islands, Aleutian Islands
0.8 km (0.5 mi) epicenter difference with USGS
GFZ (German Research Centre for Geosciences)

Seismograms

Seismic station: Adak, Aleutian Islands, Alaska (ADK/IU network) | Distance from quake: 313 km / 195 mi | Show on map | Station Info
Seismic station Adak, Aleutian Islands, Alaska: vertical movement plot around time of quake (source: IRIS/BUD)
Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.1-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool
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337 aftershocks for this quake

For this strong earthquake, 337 aftershocks have been detected so far. The strongest was a magnitude 6.0 quake that hit 19 minutes after the mainshock in 31 km (19 mi) distance, in RAT ISLANDS, ALEUTIAN ISLANDS, on Monday, Jun 23, 2014 on 12:11 pm (Adak local time GMT -9).
The most recent aftershock occurred 10 years ago - 17km SW of Little Sitkin Island, Alaska, and had a magnitude of 2.8.

What are aftershocks?


Larger earthquakes (above magnitude 5 or so) such as this one are usually followed by smaller ones known as aftershocks that occur in the same area during the days, weeks, months or even years after the main shock.
[More info]

What about this quake?


Based on its magnitude, the fault that was active during the quake likely ruptured beneath a surface of approx. 7,943 km2 (=3,067 sqare miles) as a first-order estimate. The length of the rupture zone thus was probably around 154 km (96 mi).
[More info]


Recorded aftershocks, 200 latest and largest out of 337 total

Date and Time GMTMag
Depth
DistanceRegionDetails
Jun 24, 2015 01:39 am (Adak)
9 years ago
1 year 0 weeks after main shock
2.8

124 km
29 km (18 mi)
W of main shock
- 17km SW of Little Sitkin Island, AlaskaMore
Jun 18, 2015 03:28 am (GMT +0)
9 years ago
51 weeks after main shock
5.0

25 km
44 km (28 mi)
S of main shock
RAT ISLANDS, ALEUTIAN ISLANDSMore
Jun 16, 2015 02:29 am (GMT +0)
9 years ago
51 weeks after main shock
4.0

119 km
40 km (25 mi)
SW of main shock
RAT ISLANDS, ALEUTIAN ISLANDSMore
May 31, 2015 04:06 pm (Adak)
9 years ago
49 weeks after main shock
4.5

113 km
18 km (11 mi)
NW of main shock
RAT ISLANDS, ALEUTIAN ISLANDSMore
May 31, 2015 08:07 am (GMT -10)
9 years ago
49 weeks after main shock
5.1

38 km
65 km (40 mi)
SW of main shock
72km SSW of Little Sitkin Island, AlaskaMore
May 31, 2015 04:01 am (Adak)
9 years ago
49 weeks after main shock
4.4

67 km
31 km (19 mi)
S of main shock
RAT ISLANDS, ALEUTIAN ISLANDSMore
May 30, 2015 05:13 pm (GMT -10)
9 years ago
49 weeks after main shock
4.3

107 km
46 km (28 mi)
E of main shock
RAT ISLANDS, ALEUTIAN ISLANDSMore
May 30, 2015 12:35 am (Adak)
9 years ago
49 weeks after main shock
4.0

119 km
34 km (21 mi)
W of main shock
19km SW of Little Sitkin Island, AlaskaMore
May 26, 2015 03:15 am (Adak)
9 years ago
48 weeks after main shock
2.6

114 km
20 km (12 mi)
W of main shock
16km S of Little Sitkin Island, AlaskaMore
May 20, 2015 10:06 pm (Adak)
9 years ago
47 weeks after main shock
2.5

59 km
32 km (20 mi)
S of main shock
54km SSE of Little Sitkin Island, AlaskaMore
Jun 23, 2014 03:52 pm (Adak)
10 years ago
4 hours after main shock
6.9

102 km
31 km (19 mi)
NW of main shock
Rat Islands, Aleutian Islands, AlaskaMore
Jun 23, 2014 05:15 pm (GMT -10)
10 years ago
6 hours after main shock
6.3

4 km
149 km (92 mi)
W of main shock
55km ESE of Buldir Island, AlaskaMore
Jun 23, 2014 12:11 pm (Adak)
10 years ago
19 minutes after main shock
6.0

100 km
31 km (19 mi)
NW of main shock
RAT ISLANDS, ALEUTIAN ISLANDSMore
Jun 23, 2014 12:30 pm (Adak)
10 years ago
38 minutes after main shock
5.8

100 km
28 km (18 mi)
NW of main shock
RAT ISLANDS, ALEUTIAN ISLANDSMore
Jun 23, 2014 01:29 pm (Adak)
10 years ago
1 hour and 37 minutes after main shock
5.8

105 km
23 km (14 mi)
NW of main shock
RAT ISLANDS, ALEUTIAN ISLANDSMore
Jan 17, 2015 06:47 pm (Adak)
9 years ago
30 weeks after main shock
5.8

106 km
57 km (35 mi)
E of main shock
5km SSW of Semisopochnoi Island, AlaskaMore
Jul 3, 2014 10:06 am (Adak)
10 years ago
10 days after main shock
5.7

104 km
37 km (23 mi)
NW of main shock
13km NNW of Little Sitkin Island, AlaskaMore
Jul 3, 2014 10:06 am (Adak)
10 years ago
10 days after main shock
5.6

104 km
37 km (23 mi)
NW of main shock
More
Jun 23, 2014 03:52 pm (Adak)
10 years ago
4 hours after main shock
5.5

105 km
29 km (18 mi)
NW of main shock
Rat Islands, Aleutian IslandsMore
Jun 23, 2014 10:12 pm (GMT -10)
10 years ago
11 hours after main shock
5.4

2 km
157 km (98 mi)
W of main shock
RAT ISLANDS, ALEUTIAN ISLANDSMore
Apr 23, 2015 04:57 am (GMT -10)
9 years ago
43 weeks after main shock
5.3

56 km
164 km (102 mi)
W of main shock
74km SSE of Buldir Island, AlaskaMore
Jun 23, 2014 09:20 pm (Adak)
10 years ago
9 hours after main shock
5.2

124 km
40 km (25 mi)
NW of main shock
16km NNW of Little Sitkin Island, AlaskaMore
Jun 24, 2014 03:03 pm (Adak)
10 years ago
1 day 3 hours after main shock
5.2

113 km
28 km (17 mi)
NW of main shock
3km NW of Little Sitkin Island, AlaskaMore
Jul 2, 2014 07:43 pm (Adak)
10 years ago
9 days after main shock
5.2

116 km
20 km (12 mi)
NW of main shock
RAT ISLANDS, ALEUTIAN ISLANDSMore
Sep 10, 2014 06:28 pm (GMT +0)
10 years ago
11 weeks after main shock
5.2

121 km
45 km (28 mi)
NW of main shock
RAT ISLANDS, ALEUTIAN ISLANDSMore
Mar 27, 2015 04:55 am (GMT -10)
9 years ago
40 weeks after main shock
5.1

10 km
130 km (81 mi)
SW of main shock
Rat Islands, Aleutian IslandsMore
Jun 23, 2014 01:03 pm (Adak)
10 years ago
1 hour and 10 minutes after main shock
5.0

123 km
36 km (22 mi)
NW of main shock
RAT ISLANDS, ALEUTIAN ISLANDSMore
Jun 23, 2014 09:55 pm (Adak)
10 years ago
10 hours after main shock
5.0

118 km
25 km (16 mi)
NW of main shock
Rat Islands, Aleutian IslandsMore
Jun 28, 2014 11:54 pm (Adak)
10 years ago
6 days after main shock
5.0

88 km
19 km (12 mi)
SW of main shock
Rat Islands, Aleutian IslandsMore
Nov 13, 2014 11:51 pm (GMT -10)
9 years ago
21 weeks after main shock
5.0

79 km
145 km (90 mi)
W of main shock
62km SE of Buldir Island, AlaskaMore
Jun 23, 2014 06:39 pm (GMT -10)
10 years ago
8 hours after main shock
4.9

10 km
148 km (92 mi)
W of main shock
Rat Islands, Aleutian IslandsMore
Jul 4, 2014 07:13 pm (Adak)
10 years ago
11 days after main shock
4.9

102 km
7.1 km (4.4 mi)
SW of main shock
24km SSE of Little Sitkin Island, AlaskaMore
Aug 14, 2014 01:09 pm (Adak)
10 years ago
7 weeks after main shock
4.9

115 km
22 km (14 mi)
NW of main shock
4km S of Little Sitkin Island, AlaskaMore
Jun 23, 2014 12:42 pm (Adak)
10 years ago
50 minutes after main shock
4.8

117 km
28 km (18 mi)
NW of main shock
7km WSW of Little Sitkin Island, AlaskaMore
Jun 23, 2014 01:47 pm (Adak)
10 years ago
1 hour and 55 minutes after main shock
4.8

122 km
38 km (24 mi)
NW of main shock
RAT ISLANDS, ALEUTIAN ISLANDSMore
Jun 23, 2014 02:39 pm (Adak)
10 years ago
2 hours and 46 minutes after main shock
4.8

100 km
30 km (18 mi)
NW of main shock
7km N of Little Sitkin Island, AlaskaMore
Jul 8, 2014 05:43 am (Adak)
10 years ago
2 weeks after main shock
4.8

113 km
27 km (17 mi)
NW of main shock
4km WSW of Little Sitkin Island, AlaskaMore
Aug 12, 2014 01:35 am (GMT -10)
10 years ago
7 weeks after main shock
4.8

10 km
49 km (31 mi)
SW of main shock
4.8 RAT ISLANDS, ALEUTIAN ISLANDSMore
Oct 16, 2014 11:39 am (Adak)
9 years ago
16 weeks after main shock
4.8

135 km
11 km (6.9 mi)
N of main shock
Rat Islands, Aleutian IslandsMore
Dec 15, 2014 11:18 pm (GMT +0)
9 years ago
25 weeks after main shock
4.8

70 km
98 km (61 mi)
W of main shock
Rat Islands, Aleutian IslandsMore
Jun 23, 2014 01:18 pm (Adak)
10 years ago
1 hour and 25 minutes after main shock
4.7

118 km
42 km (26 mi)
NW of main shock
RAT ISLANDS, ALEUTIAN ISLANDSMore
Jun 28, 2014 07:24 am (Adak)
10 years ago
5 days after main shock
4.7

120 km
28 km (17 mi)
NW of main shock
RAT ISLANDS, ALEUTIAN ISLANDSMore
Jul 10, 2014 08:53 pm (Adak)
10 years ago
2 weeks after main shock
4.7

108 km
8.5 km (5.3 mi)
NW of main shock
Rat Islands, Aleutian IslandsMore
Dec 22, 2014 11:11 am (Adak)
9 years ago
26 weeks after main shock
4.7

116 km
21 km (13 mi)
W of main shock
16km SSW of Little Sitkin Island, AlaskaMore
Jun 24, 2014 06:15 am (Adak)
10 years ago
18 hours after main shock
4.6

114 km
24 km (15 mi)
W of main shock
Rat Islands, Aleutian Islands, AlaskaMore
Jun 27, 2014 05:24 am (Adak)
10 years ago
4 days after main shock
4.6

125 km
22 km (14 mi)
NW of main shock
Rat Islands, Aleutian IslandsMore
Jul 4, 2014 04:57 am (Adak)
10 years ago
11 days after main shock
4.6

116 km
15 km (9.6 mi)
NW of main shock
Rat Islands, Aleutian IslandsMore
Jul 18, 2014 11:30 pm (Adak)
10 years ago
4 weeks after main shock
4.6

114 km
24 km (15 mi)
W of main shock
RAT ISLANDS, ALEUTIAN ISLANDSMore
Sep 4, 2014 04:23 pm (GMT -10)
10 years ago
10 weeks after main shock
4.6

44 km
116 km (72 mi)
W of main shock
63km SW of Kiska Volcano, AlaskaMore
Sep 6, 2014 02:59 am (Adak)
10 years ago
11 weeks after main shock
4.6

121 km
31 km (20 mi)
NW of main shock
7km WNW of Little Sitkin Island, AlaskaMore
Nov 21, 2014 06:53 pm (GMT +0)
9 years ago
22 weeks after main shock
4.6

95 km
9 km (5.6 mi)
W of main shock
18km SSE of Little Sitkin Island, AlaskaMore
Feb 6, 2015 07:18 am (Adak)
9 years ago
33 weeks after main shock
4.6

148 km
39 km (24 mi)
W of main shock
RAT ISLANDS, ALEUTIAN ISLANDSMore
Apr 1, 2015 05:56 am (GMT -10)
9 years ago
40 weeks after main shock
4.6

60 km
152 km (94 mi)
W of main shock
RAT ISLANDS, ALEUTIAN ISLANDSMore
Jun 23, 2014 02:33 pm (Adak)
10 years ago
2 hours and 41 minutes after main shock
4.5

94 km
29 km (18 mi)
W of main shock
16km SW of Little Sitkin Island, AlaskaMore
Jun 23, 2014 07:37 pm (GMT -10)
10 years ago
9 hours after main shock
4.5

27 km
186 km (116 mi)
W of main shock
RAT ISLANDS, ALEUTIAN ISLANDSMore
Jun 24, 2014 12:08 am (Adak)
10 years ago
12 hours after main shock
4.5

119 km
30 km (18 mi)
W of main shock
Rat Islands, Aleutian IslandsMore
Jun 26, 2014 07:09 am (Adak)
10 years ago
3 days after main shock
4.5

122 km
37 km (23 mi)
NW of main shock
17km WSW of Little Sitkin Island, AlaskaMore
Jul 26, 2014 01:31 am (Adak)
10 years ago
5 weeks after main shock
4.5

106 km
23 km (14 mi)
W of main shock
RAT ISLANDS, ALEUTIAN ISLANDSMore
Aug 18, 2014 12:07 pm (Adak)
10 years ago
8 weeks after main shock
4.5

80 km
25 km (15 mi)
W of main shock
RAT ISLANDS, ALEUTIAN ISLANDSMore
Aug 24, 2014 09:01 am (GMT -10)
10 years ago
9 weeks after main shock
4.5

70 km
116 km (72 mi)
W of main shock
63km SSW of Kiska Volcano, AlaskaMore
Oct 7, 2014 08:29 am (GMT -10)
9 years ago
15 weeks after main shock
4.5

42 km
64 km (40 mi)
S of main shock
83km SSE of Little Sitkin Island, AlaskaMore
Jan 7, 2015 01:43 pm (GMT +0)
9 years ago
28 weeks after main shock
4.5

37 km
65 km (41 mi)
S of main shock
RAT ISLANDS, ALEUTIAN ISLANDSMore
Jan 7, 2015 06:21 pm (Adak)
9 years ago
28 weeks after main shock
4.5

125 km
44 km (28 mi)
NW of main shock
21km WNW of Little Sitkin Island, AlaskaMore
Jan 31, 2015 09:45 am (GMT -10)
9 years ago
32 weeks after main shock
4.5

38 km
106 km (66 mi)
SW of main shock
RAT ISLANDS, ALEUTIAN ISLANDSMore
Sep 2, 2014 10:28 am (Adak)
10 years ago
10 weeks after main shock
4.5

98 km
19 km (12 mi)
SW of main shock
Rat Islands, Aleutian IslandsMore
Jun 23, 2014 01:16 pm (Adak)
10 years ago
1 hour and 23 minutes after main shock
4.4

118 km
37 km (23 mi)
W of main shock
20km WSW of Little Sitkin Island, AlaskaMore
Jun 23, 2014 04:20 pm (Adak)
10 years ago
4 hours after main shock
4.4

91 km
13 km (7.8 mi)
W of main shock
Rat Islands, Aleutian Islands, AlaskaMore
Jun 24, 2014 04:03 am (Adak)
10 years ago
16 hours after main shock
4.4

100 km
19 km (12 mi)
SW of main shock
32km S of Little Sitkin Island, AlaskaMore
Jun 26, 2014 09:30 am (Adak)
10 years ago
3 days after main shock
4.4

129 km
35 km (22 mi)
S of main shock
4.4 RAT ISLANDS, ALEUTIAN ISLANDSMore
Feb 1, 2015 02:16 pm (Adak)
9 years ago
32 weeks after main shock
4.4

112 km
28 km (18 mi)
W of main shock
RAT ISLANDS, ALEUTIAN ISLANDSMore
Jun 23, 2014 11:00 pm (Adak)
10 years ago
11 hours after main shock
4.3

100 km
15 km (9.4 mi)
SW of main shock
RAT ISLANDS, ALEUTIAN ISLANDSMore
Jun 24, 2014 02:42 am (Adak)
10 years ago
15 hours after main shock
4.3

127 km
29 km (18 mi)
NW of main shock
RAT ISLANDS, ALEUTIAN ISLANDSMore
Jun 24, 2014 06:59 am (Adak)
10 years ago
19 hours after main shock
4.3

100 km
30 km (19 mi)
SW of main shock
Rat Islands, Aleutian Islands, AlaskaMore
Aug 22, 2014 11:24 pm (GMT +0)
10 years ago
9 weeks after main shock
4.3

74 km
42 km (26 mi)
SW of main shock
44km SSW of Little Sitkin Island, AlaskaMore
Dec 3, 2014 02:01 am (Adak)
9 years ago
23 weeks after main shock
4.3

104 km
24 km (15 mi)
W of main shock
23km SSW of Little Sitkin Island, AlaskaMore
Jan 2, 2015 08:36 am (Adak)
9 years ago
28 weeks after main shock
4.3

129 km
43 km (27 mi)
W of main shock
24km WSW of Little Sitkin Island, AlaskaMore
Apr 11, 2015 08:20 pm (GMT -10)
9 years ago
42 weeks after main shock
4.3

20 km
155 km (96 mi)
W of main shock
110km SW of Kiska Volcano, AlaskaMore
Jun 24, 2014 04:35 pm (GMT +0)
10 years ago
20 hours after main shock
4.2

10 km
119 km (74 mi)
W of main shock
Rat Islands, Aleutian Islands, AlaskaMore
Jun 24, 2014 08:02 am (Adak)
10 years ago
20 hours after main shock
4.2

124 km
28 km (18 mi)
W of main shock
23km SSW of Little Sitkin Island, AlaskaMore
Jun 24, 2014 03:46 pm (Adak)
10 years ago
1 day 4 hours after main shock
4.2

112 km
34 km (21 mi)
W of main shock
RAT ISLANDS, ALEUTIAN ISLANDSMore
Jun 25, 2014 08:48 am (Adak)
10 years ago
1 day 21 hours after main shock
4.2

135 km
36 km (22 mi)
NW of main shock
RAT ISLANDS, ALEUTIAN ISLANDSMore
Jun 27, 2014 03:43 am (GMT -10)
10 years ago
4 days after main shock
4.2

122 km
46 km (29 mi)
SW of main shock
RAT ISLANDS, ALEUTIAN ISLANDSMore
Jul 4, 2014 11:18 pm (Adak)
10 years ago
11 days after main shock
4.2

108 km
17 km (10.7 mi)
W of main shock
11km S of Little Sitkin Island, AlaskaMore
Aug 8, 2014 05:59 pm (Adak)
10 years ago
7 weeks after main shock
4.2

122 km
24 km (15 mi)
W of main shock
9km SSW of Little Sitkin Island, AlaskaMore
Oct 19, 2014 02:56 am (Adak)
9 years ago
17 weeks after main shock
4.2

114 km
20 km (13 mi)
W of main shock
RAT ISLANDS, ALEUTIAN ISLANDSMore
Mar 26, 2015 10:05 pm (GMT -10)
9 years ago
39 weeks after main shock
4.2

21 km
116 km (72 mi)
SE of main shock
111km WSW of Amatignak Island, AlaskaMore
May 10, 2015 04:25 am (GMT -10)
9 years ago
46 weeks after main shock
4.2

43 km
59 km (37 mi)
S of main shock
79km SSE of Little Sitkin Island, AlaskaMore
Jul 8, 2014 05:46 am (GMT -10)
10 years ago
2 weeks after main shock
4.2

164 km
93 km (58 mi)
S of main shock
Rat Islands, Aleutian IslandsMore
Jun 23, 2014 07:33 pm (Adak)
10 years ago
8 hours after main shock
4.1

123 km
29 km (18 mi)
W of main shock
11km WSW of Little Sitkin Island, AlaskaMore
Jun 24, 2014 09:22 pm (GMT +0)
10 years ago
1 day 0 hours after main shock
4.1

109 km
33 km (20 mi)
SW of main shock
RAT ISLANDS, ALEUTIAN ISLANDSMore
Jul 13, 2014 02:07 am (GMT -10)
10 years ago
3 weeks after main shock
4.1

35 km
165 km (103 mi)
S of main shock
RAT ISLANDS, ALEUTIAN ISLANDSMore
Jul 16, 2014 12:10 pm (Adak)
10 years ago
3 weeks after main shock
4.1

75 km
63 km (39 mi)
SE of main shock
RAT ISLANDS, ALEUTIAN ISLANDSMore
Jul 18, 2014 08:56 am (GMT +0)
10 years ago
4 weeks after main shock
4.1

105 km
32 km (20 mi)
SW of main shock
39km S of Little Sitkin Island, AlaskaMore
Jul 29, 2014 06:43 pm (Adak)
10 years ago
5 weeks after main shock
4.1

126 km
28 km (17 mi)
W of main shock
17km SW of Little Sitkin Island, AlaskaMore
Jul 31, 2014 07:26 am (Adak)
10 years ago
5 weeks after main shock
4.1

99 km
16 km (10 mi)
W of main shock
20km S of Little Sitkin Island, AlaskaMore
Aug 2, 2014 01:36 pm (Adak)
10 years ago
6 weeks after main shock
4.1

113 km
28 km (18 mi)
W of main shock
RAT ISLANDS, ALEUTIAN ISLANDSMore
Sep 4, 2014 07:53 am (Adak)
10 years ago
10 weeks after main shock
4.1

115 km
37 km (23 mi)
W of main shock
17km WSW of Little Sitkin Island, AlaskaMore
Dec 11, 2014 12:24 am (GMT -10)
9 years ago
24 weeks after main shock
4.1

35 km
69 km (43 mi)
S of main shock
RAT ISLANDS, ALEUTIAN ISLANDSMore
Dec 10, 2014 11:26 pm (GMT -10)
9 years ago
24 weeks after main shock
4.1

27 km
79 km (49 mi)
S of main shock
RAT ISLANDS, ALEUTIAN ISLANDSMore
Mar 31, 2015 08:27 am (GMT -10)
9 years ago
40 weeks after main shock
4.1

31 km
89 km (55 mi)
SE of main shock
RAT ISLANDS, ALEUTIAN ISLANDSMore
Jun 23, 2014 02:32 pm (Adak)
10 years ago
2 hours and 39 minutes after main shock
4.0

117 km
37 km (23 mi)
W of main shock
Rat Islands, Aleutian Islands, AlaskaMore
Jun 23, 2014 05:27 pm (GMT -10)
10 years ago
7 hours after main shock
4.0

31 km
164 km (102 mi)
W of main shock
54km SE of Buldir Island, AlaskaMore
Dec 23, 2014 10:21 am (Adak)
9 years ago
26 weeks after main shock
4.0

108 km
19 km (12 mi)
W of main shock
17km S of Little Sitkin Island, AlaskaMore
Mar 31, 2015 08:19 am (GMT -10)
9 years ago
40 weeks after main shock
4.0

21 km
96 km (60 mi)
SE of main shock
107km S of Semisopochnoi Island, AlaskaMore
Apr 19, 2015 11:21 am (GMT +0)
9 years ago
43 weeks after main shock
4.0

58 km
96 km (59 mi)
W of main shock
48km SSW of Kiska Volcano, AlaskaMore
Jun 23, 2014 05:24 pm (GMT -10)
10 years ago
7 hours after main shock
3.9

6.4 km
162 km (101 mi)
W of main shock
51km SE of Buldir Island, AlaskaMore
Dec 25, 2014 09:36 am (Adak)
9 years ago
26 weeks after main shock
3.9

126 km
27 km (17 mi)
W of main shock
10km SW of Little Sitkin Island, AlaskaMore
Jul 16, 2014 02:36 pm (Adak)
10 years ago
3 weeks after main shock
3.9

94 km
15 km (9.3 mi)
NW of main shock
Rat Islands, Aleutian IslandsMore
Jun 23, 2014 12:09 pm (Adak)
10 years ago
17 minutes after main shock
3.8

113 km
17 km (10.9 mi)
NW of main shock
9km S of Little Sitkin Island, AlaskaMore
Jun 23, 2014 12:45 pm (Adak)
10 years ago
52 minutes after main shock
3.8

130 km
43 km (27 mi)
W of main shock
27km WSW of Little Sitkin Island, AlaskaMore
Jun 23, 2014 04:16 pm (Adak)
10 years ago
4 hours after main shock
3.8

123 km
29 km (18 mi)
W of main shock
Rat Islands, Aleutian Islands, AlaskaMore
Jun 23, 2014 09:17 pm (GMT +0)
10 years ago
25 minutes after main shock
3.7

110 km
40 km (25 mi)
W of main shock
36km SSW of Little Sitkin Island, AlaskaMore
Jun 23, 2014 05:11 pm (GMT -10)
10 years ago
6 hours after main shock
3.7

10.9 km
148 km (92 mi)
W of main shock
58km ESE of Buldir Island, AlaskaMore
Jul 20, 2014 09:35 pm (GMT +0)
10 years ago
4 weeks after main shock
3.7

50 km
111 km (69 mi)
SE of main shock
98km WSW of Amatignak Island, AlaskaMore
Aug 21, 2014 02:11 pm (GMT -10)
10 years ago
8 weeks after main shock
3.7

35 km
81 km (51 mi)
SE of main shock
90km SSW of Semisopochnoi Island, AlaskaMore
Aug 27, 2014 10:11 am (Adak)
10 years ago
9 weeks after main shock
3.7

121 km
27 km (17 mi)
W of main shock
13km SW of Little Sitkin Island, AlaskaMore
Jun 23, 2014 09:37 pm (GMT +0)
10 years ago
44 minutes after main shock
3.5

101 km
13 km (8.1 mi)
W of main shock
18km SSE of Little Sitkin Island, AlaskaMore
Jun 23, 2014 01:16 pm (Adak)
10 years ago
1 hour and 23 minutes after main shock
3.5

128 km
38 km (24 mi)
NW of main shock
Rat Islands, Aleutian Islands, AlaskaMore
Jun 24, 2014 09:24 am (GMT +0)
10 years ago
13 hours after main shock
3.5

130 km
59 km (37 mi)
W of main shock
Rat Islands, Aleutian Islands, AlaskaMore
Jul 26, 2014 06:38 pm (Adak)
10 years ago
5 weeks after main shock
3.5

114 km
23 km (14 mi)
W of main shock
13km SSW of Little Sitkin Island, AlaskaMore
Aug 20, 2014 06:35 pm (Adak)
10 years ago
8 weeks after main shock
3.5

122 km
32 km (20 mi)
NW of main shock
12km WSW of Little Sitkin Island, AlaskaMore
Dec 6, 2014 07:50 am (Adak)
9 years ago
24 weeks after main shock
3.5

94 km
17 km (10.6 mi)
W of main shock
23km S of Little Sitkin Island, AlaskaMore
Jun 26, 2014 12:44 am (GMT -10)
10 years ago
3 days after main shock
3.4

42 km
164 km (102 mi)
W of main shock
81km SSE of Buldir Island, AlaskaMore
Aug 19, 2014 03:22 pm (Adak)
10 years ago
8 weeks after main shock
3.4

99 km
30 km (19 mi)
W of main shock
18km SW of Little Sitkin Island, AlaskaMore
Jan 6, 2015 02:59 am (GMT -10)
9 years ago
28 weeks after main shock
3.4

44 km
165 km (103 mi)
W of main shock
42km SE of Buldir Island, AlaskaMore
Jan 13, 2015 08:04 pm (Adak)
9 years ago
29 weeks after main shock
3.4

88 km
22 km (13 mi)
SW of main shock
37km SSE of Little Sitkin Island, AlaskaMore
Feb 15, 2015 07:16 pm (GMT -10)
9 years ago
34 weeks after main shock
3.4

19 km
101 km (63 mi)
SE of main shock
94km WSW of Amatignak Island, AlaskaMore
Jun 29, 2014 04:55 pm (Adak)
10 years ago
6 days after main shock
3.3

127 km
33 km (20 mi)
W of main shock
19km SW of Little Sitkin Island, AlaskaMore
Aug 19, 2014 09:30 pm (GMT -10)
10 years ago
8 weeks after main shock
3.3

77 km
149 km (93 mi)
W of main shock
59km SE of Buldir Island, AlaskaMore
Dec 15, 2014 10:22 am (Adak)
9 years ago
25 weeks after main shock
3.3

107 km
17 km (10.8 mi)
W of main shock
16km S of Little Sitkin Island, AlaskaMore
Dec 18, 2014 04:52 am (GMT -10)
9 years ago
25 weeks after main shock
3.3

17 km
56 km (35 mi)
S of main shock
Rat Islands, Aleutian Islands, AlaskaMore
Jan 2, 2015 07:36 am (GMT -10)
9 years ago
28 weeks after main shock
3.3

35 km
120 km (74 mi)
N of main shock
101km N of Little Sitkin Island, AlaskaMore
Jan 11, 2015 05:58 am (GMT -10)
9 years ago
29 weeks after main shock
3.3

74 km
53 km (33 mi)
E of main shock
37km SSW of Semisopochnoi Island, AlaskaMore
Feb 27, 2015 02:42 pm (GMT -10)
9 years ago
36 weeks after main shock
3.3

68 km
59 km (36 mi)
W of main shock
51km SW of Little Sitkin Island, AlaskaMore
Mar 31, 2015 06:25 am (GMT -10)
9 years ago
40 weeks after main shock
3.3

14 km
88 km (55 mi)
S of main shock
102km SSW of Semisopochnoi Island, AlaskaMore
Sep 16, 2014 04:32 am (Adak)
10 years ago
12 weeks after main shock
3.2

112 km
26 km (16 mi)
W of main shock
12km SW of Little Sitkin Island, AlaskaMore
Jun 23, 2014 10:07 pm (GMT +0)
10 years ago
1 hour and 14 minutes after main shock
3.1

121 km
49 km (30 mi)
W of main shock
Rat Islands, Aleutian Islands, AlaskaMore
Jun 23, 2014 10:59 pm (GMT +0)
10 years ago
2 hours and 6 minutes after main shock
3.1

96 km
13 km (7.9 mi)
W of main shock
17km SSE of Little Sitkin Island, AlaskaMore
Jun 23, 2014 01:41 pm (Adak)
10 years ago
1 hour and 48 minutes after main shock
3.1

109 km
24 km (15 mi)
W of main shock
Rat Islands, Aleutian Islands, AlaskaMore
Jun 23, 2014 07:37 pm (Adak)
10 years ago
8 hours after main shock
3.1

96 km
22 km (13 mi)
W of main shock
Rat Islands, Aleutian Islands, AlaskaMore
Jul 1, 2014 04:02 pm (Adak)
10 years ago
8 days after main shock
3.1

125 km
31 km (19 mi)
W of main shock
16km SW of Little Sitkin Island, AlaskaMore
Jul 28, 2014 05:02 am (GMT +0)
10 years ago
5 weeks after main shock
3.1

40 km
42 km (26 mi)
S of main shock
62km SSE of Little Sitkin Island, AlaskaMore
Jul 29, 2014 07:40 pm (GMT -10)
10 years ago
5 weeks after main shock
3.1

32 km
179 km (111 mi)
S of main shock
188km SW of Amatignak Island, AlaskaMore
Aug 2, 2014 04:03 pm (Adak)
10 years ago
6 weeks after main shock
3.1

109 km
27 km (17 mi)
W of main shock
23km SSW of Little Sitkin Island, AlaskaMore
Aug 27, 2014 10:55 am (Adak)
10 years ago
9 weeks after main shock
3.1

126 km
36 km (22 mi)
W of main shock
16km WSW of Little Sitkin Island, AlaskaMore
Sep 7, 2014 09:34 pm (Adak)
10 years ago
11 weeks after main shock
3.1

89 km
11 km (6.8 mi)
SW of main shock
23km SSE of Little Sitkin Island, AlaskaMore
Sep 22, 2014 11:40 pm (Adak)
10 years ago
13 weeks after main shock
3.1

115 km
21 km (13 mi)
W of main shock
10km SSW of Little Sitkin Island, AlaskaMore
Oct 7, 2014 06:28 am (GMT -10)
9 years ago
15 weeks after main shock
3.1

34 km
96 km (59 mi)
N of main shock
79km N of Little Sitkin Island, AlaskaMore
Oct 12, 2014 09:55 pm (GMT -10)
9 years ago
16 weeks after main shock
3.1

1 km
66 km (41 mi)
SW of main shock
65km SW of Little Sitkin Island, AlaskaMore
Feb 21, 2015 12:01 am (Adak)
9 years ago
35 weeks after main shock
3.1

99 km
18 km (11 mi)
W of main shock
15km S of Little Sitkin Island, AlaskaMore
Jun 23, 2014 03:24 pm (Adak)
10 years ago
4 hours after main shock
3.0

110 km
25 km (15 mi)
NW of main shock
4km SW of Little Sitkin Island, AlaskaMore
Jun 23, 2014 03:35 pm (Adak)
10 years ago
4 hours after main shock
3.0

117 km
28 km (18 mi)
W of main shock
Rat Islands, Aleutian Islands, AlaskaMore
Jun 24, 2014 12:39 am (GMT +0)
10 years ago
4 hours after main shock
3.0

90 km
13 km (8 mi)
W of main shock
Rat Islands, Aleutian Islands, AlaskaMore
Jun 23, 2014 05:04 pm (Adak)
10 years ago
5 hours after main shock
3.0

93 km
19 km (12 mi)
W of main shock
13km S of Little Sitkin Island, AlaskaMore
Jun 23, 2014 08:32 pm (Adak)
10 years ago
9 hours after main shock
3.0

88 km
17 km (10.3 mi)
SW of main shock
Rat Islands, Aleutian Islands, AlaskaMore
Jun 27, 2014 10:50 pm (Adak)
10 years ago
4 days after main shock
3.0

96 km
24 km (15 mi)
W of main shock
16km SSW of Little Sitkin Island, AlaskaMore
Jul 5, 2014 10:22 pm (GMT +0)
10 years ago
12 days after main shock
3.0

89 km
3.7 km (2.3 mi)
W of main shock
22km SE of Little Sitkin Island, AlaskaMore
Jul 26, 2014 08:52 am (Adak)
10 years ago
5 weeks after main shock
3.0

110 km
16 km (9.9 mi)
W of main shock
14km S of Little Sitkin Island, AlaskaMore
Aug 9, 2014 01:55 am (Adak)
10 years ago
7 weeks after main shock
3.0

101 km
22 km (14 mi)
W of main shock
11km SSW of Little Sitkin Island, AlaskaMore
Aug 11, 2014 05:37 pm (GMT -10)
10 years ago
7 weeks after main shock
3.0

97 km
27 km (17 mi)
E of main shock
35km WSW of Semisopochnoi Island, AlaskaMore
Aug 20, 2014 03:37 pm (Adak)
10 years ago
8 weeks after main shock
3.0

120 km
30 km (19 mi)
W of main shock
21km SW of Little Sitkin Island, AlaskaMore
Aug 28, 2014 11:36 pm (Adak)
10 years ago
9 weeks after main shock
3.0

114 km
25 km (16 mi)
NW of main shock
7km SW of Little Sitkin Island, AlaskaMore
Aug 31, 2014 12:24 pm (Adak)
10 years ago
10 weeks after main shock
3.0

122 km
40 km (25 mi)
W of main shock
31km SW of Little Sitkin Island, AlaskaMore
Sep 2, 2014 04:43 pm (GMT -10)
10 years ago
10 weeks after main shock
3.0

23 km
153 km (95 mi)
W of main shock
74km SE of Buldir Island, AlaskaMore
Sep 22, 2014 09:00 pm (GMT +0)
10 years ago
13 weeks after main shock
3.0

168 km
43 km (27 mi)
NW of main shock
18km NNW of Little Sitkin Island, AlaskaMore
Oct 3, 2014 08:17 am (GMT -10)
9 years ago
15 weeks after main shock
3.0

48 km
120 km (74 mi)
W of main shock
66km SW of Kiska Volcano, AlaskaMore
Oct 27, 2014 01:36 pm (Adak)
9 years ago
18 weeks after main shock
3.0

107 km
33 km (21 mi)
W of main shock
30km SSW of Little Sitkin Island, AlaskaMore
Nov 17, 2014 10:35 am (GMT -10)
9 years ago
21 weeks after main shock
3.0

41 km
185 km (115 mi)
W of main shock
68km S of Buldir Island, AlaskaMore
Jan 14, 2015 07:43 pm (GMT -10)
9 years ago
29 weeks after main shock
3.0

8 km
101 km (63 mi)
SW of main shock
79km S of Kiska Volcano, AlaskaMore
Jan 25, 2015 12:30 am (GMT +0)
9 years ago
31 weeks after main shock
3.0

99 km
12 km (7.2 mi)
W of main shock
19km SSE of Little Sitkin Island, AlaskaMore
Mar 25, 2015 08:04 am (Adak)
9 years ago
39 weeks after main shock
3.0

123 km
30 km (19 mi)
W of main shock
11km WSW of Little Sitkin Island, AlaskaMore
Apr 25, 2015 12:43 pm (Adak)
9 years ago
44 weeks after main shock
3.0

108 km
32 km (20 mi)
W of main shock
22km SW of Little Sitkin Island, AlaskaMore
Jun 26, 2014 09:25 pm (Adak)
10 years ago
3 days after main shock
2.9

111 km
26 km (16 mi)
W of main shock
Rat Islands, Aleutian Islands, AlaskaMore
Jun 27, 2014 11:56 pm (Adak)
10 years ago
5 days after main shock
2.9

134 km
39 km (25 mi)
W of main shock
23km WSW of Little Sitkin Island, AlaskaMore
Jul 4, 2014 03:34 pm (Adak)
10 years ago
11 days after main shock
2.9

128 km
30 km (19 mi)
W of main shock
26km SSW of Little Sitkin Island, AlaskaMore
Jul 16, 2014 07:34 am (GMT +0)
10 years ago
3 weeks after main shock
2.9

120 km
52 km (32 mi)
W of main shock
42km SW of Little Sitkin Island, AlaskaMore
Jul 18, 2014 06:35 pm (GMT +0)
10 years ago
4 weeks after main shock
2.9

93 km
12 km (7.7 mi)
W of main shock
20km SSE of Little Sitkin Island, AlaskaMore
Jul 19, 2014 12:15 am (Adak)
10 years ago
4 weeks after main shock
2.9

89 km
26 km (16 mi)
SW of main shock
31km S of Little Sitkin Island, AlaskaMore
Jul 20, 2014 05:39 am (GMT -10)
10 years ago
4 weeks after main shock
2.9

11 km
150 km (93 mi)
S of main shock
135km SW of Amatignak Island, AlaskaMore
Aug 22, 2014 04:57 am (Adak)
10 years ago
9 weeks after main shock
2.9

113 km
29 km (18 mi)
W of main shock
12km SW of Little Sitkin Island, AlaskaMore
Aug 22, 2014 07:42 am (Adak)
10 years ago
9 weeks after main shock
2.9

107 km
27 km (17 mi)
W of main shock
21km SSW of Little Sitkin Island, AlaskaMore
Aug 23, 2014 06:33 am (Adak)
10 years ago
9 weeks after main shock
2.9

104 km
27 km (17 mi)
W of main shock
23km SSW of Little Sitkin Island, AlaskaMore
Sep 24, 2014 01:24 pm (Adak)
10 years ago
13 weeks after main shock
2.9

121 km
35 km (22 mi)
W of main shock
20km SW of Little Sitkin Island, AlaskaMore
Sep 29, 2014 09:52 pm (Adak)
10 years ago
14 weeks after main shock
2.9

119 km
20 km (13 mi)
W of main shock
13km S of Little Sitkin Island, AlaskaMore
Nov 14, 2014 01:39 pm (GMT -10)
9 years ago
21 weeks after main shock
2.9

60 km
96 km (59 mi)
SE of main shock
69km W of Amatignak Island, AlaskaMore
Jun 23, 2014 01:29 pm (Adak)
10 years ago
1 hour and 36 minutes after main shock
2.8

96 km
18 km (11 mi)
W of main shock
Rat Islands, Aleutian Islands, AlaskaMore
Jun 24, 2014 11:53 pm (Adak)
10 years ago
1 day 12 hours after main shock
2.8

97 km
20 km (12 mi)
W of main shock
16km S of Little Sitkin Island, AlaskaMore
Jul 29, 2014 11:17 am (Adak)
10 years ago
5 weeks after main shock
2.8

108 km
17 km (10.4 mi)
W of main shock
11km S of Little Sitkin Island, AlaskaMore
Jul 31, 2014 07:26 am (Adak)
10 years ago
5 weeks after main shock
2.8

99 km
16 km (10 mi)
W of main shock
20km S of Little Sitkin Island, AlaskaMore
Aug 1, 2014 02:02 pm (GMT -10)
10 years ago
6 weeks after main shock
2.8

29 km
78 km (49 mi)
N of main shock
61km N of Little Sitkin Island, AlaskaMore
Jun 23, 2014 11:53 am (Adak)
10 years ago
7.9

108 km
0 km - This quakeBering Sea, United States, 246 mi E of Attu Station, Aleutians West, Alaska
Main Shock (this quake)
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Map of aftershocks

Earthquake statistics

Average number of earthquakes

Based on data from the past 14 years and our earthquake archive back to 1900, there are about 165 quakes on average per year in the area near the epicenter of this quake (within 100 km/61 mi):
  • Mag. 8 or higher: 0.02 quakes per year (or 1 quake every 62.5 years)
  • Mag. 7 or higher: 0.06 quakes per year (or 1 quake every 17.9 years)
  • Mag. 6 or higher: 0.37 quakes per year (or 1 quake every 2.7 years)
  • Mag. 5 or higher: 5.2 quakes per year
  • Mag. 4 or higher: 28.5 quakes per year
  • Mag. 3 or higher: 66 quakes per year (or 5.5 quakes per month)
  • Mag. 2 or higher: 114 quakes per year (or 9.5 quakes per month)
  • Mag. 1 or higher: 149 quakes per year (or 12.4 quakes per month)
The area where this quake occurred has a very high level of seismic activity. It has had at least 2 quakes above magnitude 8 since 1900, which suggests that larger earthquakes of this size occur infrequently, probably on average approximately every 60 to 65 years.

Number of quakes per year

Previous quakes in the same area of this earthquake

Map of earlier quakes in the area of this quake

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