2.2

M2.2 Earthquake 187 km SE of Atka, Alaska — August 11, 2021

2021-08-11 23:30:35 UTC (2021-08-11) · approx. 11:30 AM UTC-12 local

MagnitudeM2.2(ml)
Time23:30 UTC≈ 11:30 AM UTC-12
Depth2.5 kmshallow crustal
Coordinates50.862°, -172.542°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 50.86°, -172.54°

Earthquake Details

Magnitude
2.2 ml
Depth
2.5 km
shallow crustal
Location
50.8625°N
-172.5424°E

Technical Information

Event ID
ak021a96q0iu
Event Type
earthquake
Status
✓ Reviewed
Significance
74
RMS Residual
0.98 sec
Last Updated
2021-08-20 01:58:40 UTC

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Actions

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Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 2.2 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: ak021a96q0iu). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, August 11, 2021). M2.2 Earthquake 187 km SE of Atka, Alaska — August 11, 2021. Retrieved August 20, 2021 from https://www.earthquaketracker.org/earthquakes/event/ak021a96q0iu/