2.7

M2.7 Earthquake 77 km SE of Atka, Alaska — September 20, 2021

2021-09-20 19:12:11 UTC (2021-09-20) · approx. 7:12 AM UTC-12 local

MagnitudeM2.7(ml)
Time19:12 UTC≈ 7:12 AM UTC-12
Depth35.0 kmshallow crustal
Coordinates51.778°, -173.289°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 51.78°, -173.29°

Earthquake Details

Magnitude
2.7 ml
Depth
35.0 km
shallow crustal
Location
51.7784°N
-173.2892°E

Technical Information

Event ID
us7000fcz0
Event Type
earthquake
Status
✓ Reviewed
Significance
112
Azimuthal Gap
313.0°
Min Station Distance
0.704°
RMS Residual
0.46 sec
Last Updated
2021-12-03 15:01:38 UTC

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Actions

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Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 2.7 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: us7000fcz0). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, September 20, 2021). M2.7 Earthquake 77 km SE of Atka, Alaska — September 20, 2021. Retrieved December 3, 2021 from https://www.earthquaketracker.org/earthquakes/event/us7000fcz0/