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Past earthquakes in Alaska and the Aleutian Islands: Jul 22, 2021 - list, stats and map

Updated: Apr 19, 2024 06:40 GMT -
On Thursday, July 22nd, 2021, Alaska and the Aleutian Islands has had 55 quakes of magnitudes up to 4.4:
  • 0 quakes above magnitude 4
  • 1 quake between magnitude 3 and 4
  • 10 quakes between magnitude 2 and 3
  • 44 quakes below magnitude 2 that people normally don't feel.
Strongest: Mag. 4.4 Earthquake North Pacific Ocean, 156 mi E of Unalaska, Aleutians West, Alaska, United States -
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Showing quakes magnitude 0.5 or higher, within up to 300 km (186 mi) distance (58 quakes):
Past earthquakes in Alaska and the Aleutian Islands: Jul 22, 2021 - list, stats and map
Date and TimeMag
Depth
Nearest VolcanoLocationDetailsMap
Jul 22, 2021 03:02 pm (Anchorage)
2.6

46 km
7 km (4.3 mi) to the NE 12 Km W of Point Possession, Alaska
Info
Jul 22, 2021 02:27 pm (Anchorage)
1.6

11 km
21 Km SSW of South Van Horn, Alaska
Info
Jul 22, 2021 01:38 pm (Anchorage)
1.0

17 km
18 Km N of Four Mile Road, Alaska
Info
Jul 22, 2021 11:45 am (Anchorage)
1.1

0 km
38 Km E of Denali National Park, Alaska
Info
Jul 22, 2021 10:24 am (GMT -9)
1.8

64 km
29 km (18 mi) to the NE 34 Km WSW of Nanwalek, Alaska
Info
Jul 22, 2021 10:10 am (Adak)
0.4

2.2 km
81 Km W of Adak, Alaska
Info
Jul 22, 2021 10:31 am (Anchorage)
0.6

4.6 km
82 Km NNW of Karluk, Alaska
Info
Jul 22, 2021 10:23 am (Anchorage)
1.8

20 km
13 km (8.1 mi) to the NE 56 Km NE of Chenega, Alaska
Info
Jul 22, 2021 10:15 am (Anchorage)
1.5

0 km
53 Km WSW of Tanana, Alaska
Info
Jul 22, 2021 09:59 am (Anchorage)
1.3

31 km
4 Km N of Houston, Alaska
Info
Jul 22, 2021 09:54 am (Anchorage)
1.4

34 km
6 Km WNW of Houston, Alaska
Info
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About these data
Estimated combined seismic energy released: 2.7 x 1011 joules (74 megawatt hours, equivalent to 63.7 tons of TNT) | about seismic energy

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Earthquake statistics

Number of earthquakes over time

on Thursday, July 22nd, 2021
during July 2021
in 2021
Number of earthquakes over time: on Thursday, July 22nd, 2021
Number of earthquakes over time: during July 2021
Number of earthquakes over time: in 2021

Magnitude and seismic energy over time

on Thursday, July 22nd, 2021
during July 2021
in 2021
Magnitude and seismic energy over time: on Thursday, July 22nd, 2021
Magnitude and seismic energy over time: during July 2021
Magnitude and seismic energy over time: in 2021

Magnitude and energy distribution

on Thursday, July 22nd, 2021
during July 2021
in 2021
Magnitude and energy distribution: on Thursday, July 22nd, 2021
Magnitude and energy distribution: during July 2021
Magnitude and energy distribution: in 2021

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Earthquakes in Alaska and the Aleutian Islands

Quakes in nearby regions

Achaiak Island | Adak Island | Admiralty Island | Aiaktalik Island | Akutan Island | Alligator Island | Amagat Island | Amatignak Island | Amukta Island | Anangula Island |  ...Show all... | Yukon,  Canada | Yunaska Island

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