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

Updated: Apr 20, 2024 04:22 GMT -
During February 2021, Alaska and the Aleutian Islands has had 1,769 quakes of magnitudes up to 5.6:
  • 2 quakes above magnitude 5
  • 8 quakes between magnitude 4 and 5
  • 51 quakes between magnitude 3 and 4
  • 352 quakes between magnitude 2 and 3
  • 1,356 quakes below magnitude 2 that people normally don't feel.
Strongest: Mag. 5.6 Earthquake 226 Km SW of Adak, Alaska, USA -
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Showing quakes magnitude 2.5 or higher, within up to 300 km (186 mi) distance (272 out of 1,769 quakes, show more):
Past earthquakes in Alaska and the Aleutian Islands: February 2021 - list, stats and map
Date and TimeMag
Depth
Nearest VolcanoLocationDetailsMap
Feb 28, 2021 08:54 am (Anchorage)
3.8

13 km
32 Km S of Nelchina, Alaska, USA 3 reportsInfo
Feb 28, 2021 08:35 am (Anchorage)
2.5

107 km
67 Km ENE of Pedro Bay, Alaska, USA
Info
Feb 28, 2021 06:22 am (GMT -9)
2.6

1.2 km
25 km (16 mi) to the NE 70 Km W of Elfin Cove, Alaska, USA
Info
Feb 28, 2021 10:44 am (GMT +0)
5.4

22 km
90 km (56 mi) to the SW 185 km WSW of Adak, Alaska Info
Feb 28, 2021 12:03 am (GMT -10)
3.7

226 km
32 km (20 mi) to the SW Bering Sea, 23 mi north of Great Sitkin Island, Aleutians West, Alaska, United States
Info
Feb 28, 2021 12:10 am (Anchorage)
3.1

25 km
4 km (2.5 mi) to the E 81 km SE of Sand Point, Alaska
Info
Feb 27, 2021 10:12 pm (GMT -9)
3.0

20 km
54 km (34 mi) to the E 113 km SSE of Sand Point, Alaska
Info
Feb 27, 2021 09:50 pm (GMT -9)
2.5

24 km
53 km (33 mi) to the E 112 km SSE of Sand Point, Alaska
Info
Feb 27, 2021 09:22 pm (GMT -9)
2.5

20 km
59 km (37 mi) to the E 114 km SSE of Sand Point, Alaska
Info
Feb 27, 2021 09:20 pm (GMT -9)
3.1

21 km
49 km (30 mi) to the E 103 km SSE of Sand Point, Alaska
Info
Feb 27, 2021 07:58 pm (GMT -9)
2.5

35 km
55 km (34 mi) to the E 121 km SSE of Sand Point, Alaska
Info
Show more
About these data
Estimated combined seismic energy released: 4.6 x 1013 joules (12.7 gigawatt hours, equivalent to 10914 tons of TNT or 0.7 atomic bombs!) | about seismic energy

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Earthquake statistics

Number of earthquakes over time

during February 2021
in 2021
Number of earthquakes over time: during February 2021
Number of earthquakes over time: in 2021

Magnitude and seismic energy over time

during February 2021
in 2021
Magnitude and seismic energy over time: during February 2021
Magnitude and seismic energy over time: in 2021

Magnitude and energy distribution

during February 2021
in 2021
Magnitude and energy distribution: during February 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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