2.8

M2.8 Earthquake 196 km W of Adak, Alaska — December 20, 2021

2021-12-20 22:25:08 UTC (2021-12-20) · approx. 10:25 AM UTC-12 local

MagnitudeM2.8(ml)
Time22:25 UTC≈ 10:25 AM UTC-12
Depth121.2 kmintermediate depth
Coordinates51.873°, -179.489°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 51.87°, -179.49°

Earthquake Details

Magnitude
2.8 ml
Depth
121.2 km
intermediate depth
Location
51.8725°N
-179.4894°E

Technical Information

Event ID
us7000gg07
Event Type
earthquake
Status
✓ Reviewed
Significance
121
Azimuthal Gap
161.0°
Min Station Distance
0.404°
RMS Residual
0.35 sec
Last Updated
2022-03-01 16:38:34 UTC

Nearby Earthquakes (Last 7 Days)

3.5
Rat Islands, Aleutian Islands, Alaska
1 day ago · 57.3 km deep
3.4
160 km WSW of Adak, Alaska
1 day ago · 35.0 km deep
3.1
113 km SW of Adak, Alaska
1 day ago · 35.0 km deep
2.7
243 km WSW of Adak, Alaska
2 days ago · 9.1 km deep
2.5
85 km WSW of Atka, Alaska
2 days ago · 108.0 km deep
3.4
Rat Islands, Aleutian Islands, Alaska
2 days ago · 20.0 km deep
3.0
134 km SW of Adak, Alaska
2 days ago · 14.6 km deep
3.1
257 km SSW of Adak, Alaska
2 days ago · 20.0 km deep
2.5
55 km SE of Adak, Alaska
2 days ago · 37.2 km deep
2.9
271 km WSW of Adak, Alaska
2 days ago · 67.3 km deep

Actions

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Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 2.8 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: us7000gg07). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, December 20, 2021). M2.8 Earthquake 196 km W of Adak, Alaska — December 20, 2021. Retrieved March 1, 2022 from https://www.earthquaketracker.org/earthquakes/event/us7000gg07/