2.9

M2.9 Earthquake 188 km SSE of Unalaska, Alaska — October 4, 2021

2021-10-04 20:51:48 UTC (2021-10-04) · approx. 9:51 AM UTC-11 local

MagnitudeM2.9(ml)
Time20:51 UTC≈ 9:51 AM UTC-11
Depth42.0 kmshallow crustal
Coordinates52.472°, -164.963°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 52.47°, -164.96°

Earthquake Details

Magnitude
2.9 ml
Depth
42.0 km
shallow crustal
Location
52.4722°N
-164.9626°E

Technical Information

Event ID
ak021cqg2tco
Event Type
earthquake
Status
✓ Reviewed
Significance
129
RMS Residual
0.60 sec
Last Updated
2021-12-06 19:13:05 UTC

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Actions

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Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 2.9 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: ak021cqg2tco). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, October 4, 2021). M2.9 Earthquake 188 km SSE of Unalaska, Alaska — October 4, 2021. Retrieved December 6, 2021 from https://www.earthquaketracker.org/earthquakes/event/ak021cqg2tco/