2.1

M2.1 Earthquake 90 km WSW of Adak, Alaska — December 31, 2021

2021-12-31 23:10:23 UTC (2021-12-31) · approx. 11:10 AM UTC-12 local

MagnitudeM2.1(ml)
Time23:10 UTC≈ 11:10 AM UTC-12
Depth39.2 kmshallow crustal
Coordinates51.478°, -177.778°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 51.48°, -177.78°

Earthquake Details

Magnitude
2.1 ml
Depth
39.2 km
shallow crustal
Location
51.4776°N
-177.7779°E

Technical Information

Event ID
ak021gs0wu3k
Event Type
earthquake
Status
✓ Reviewed
Significance
68
RMS Residual
0.40 sec
Last Updated
2022-01-27 21:04:19 UTC

Nearby Earthquakes (Last 7 Days)

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3.0
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2.5
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Actions

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Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 2.1 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: ak021gs0wu3k). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, December 31, 2021). M2.1 Earthquake 90 km WSW of Adak, Alaska — December 31, 2021. Retrieved January 27, 2022 from https://www.earthquaketracker.org/earthquakes/event/ak021gs0wu3k/