2.8

M2.8 Earthquake 99 km WSW of Adak, Alaska — February 21, 2021

2021-02-21 23:24:58 UTC (2021-02-21) · approx. 11:24 AM UTC-12 local

MagnitudeM2.8(ml)
Time23:24 UTC≈ 11:24 AM UTC-12
Depth33.8 kmshallow crustal
Coordinates51.445°, -177.901°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 51.44°, -177.90°

Earthquake Details

Magnitude
2.8 ml
Depth
33.8 km
shallow crustal
Location
51.4447°N
-177.9007°E

Technical Information

Event ID
us7000dh8u
Event Type
earthquake
Status
✓ Reviewed
Significance
121
Azimuthal Gap
222.0°
Min Station Distance
0.311°
RMS Residual
0.20 sec
Last Updated
2021-05-04 14:16:03 UTC

Nearby Earthquakes (Last 7 Days)

4.2
286 km W of Adak, Alaska
13 hours ago · 119.2 km deep
3.1
Rat Islands, Aleutian Islands, Alaska
2 days ago · 40.3 km deep
2.9
83 km ESE of Adak, Alaska
2 days ago · 38.5 km deep
2.6
97 km SSE of Atka, Alaska
2 days ago · 40.0 km deep
2.5
292 km WSW of Adak, Alaska
2 days ago · 29.7 km deep
2.6
285 km WSW of Adak, Alaska
2 days ago · 16.7 km deep
3.3
97 km SSW of Atka, Alaska
2 days ago · 6.8 km deep
2.6
106 km SW of Adak, Alaska
2 days ago · 20.8 km deep
2.7
153 km S of Atka, Alaska
3 days ago · 20.0 km deep
2.7
201 km WSW of Adak, Alaska
3 days ago · 19.8 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: us7000dh8u). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, February 21, 2021). M2.8 Earthquake 99 km WSW of Adak, Alaska — February 21, 2021. Retrieved May 4, 2021 from https://www.earthquaketracker.org/earthquakes/event/us7000dh8u/