2.5

M2.5 Earthquake 63 km NE of Chignik, Alaska — August 18, 2021

2021-08-18 21:21:54 UTC (2021-08-18) · approx. 10:21 AM UTC-11 local

MagnitudeM2.5(ml)
Time21:21 UTC≈ 10:21 AM UTC-11
Depth75.2 kmintermediate depth
Coordinates56.639°, -157.583°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 56.64°, -157.58°

Earthquake Details

Magnitude
2.5 ml
Depth
75.2 km
intermediate depth
Location
56.6394°N
-157.5831°E

Technical Information

Event ID
ak021akq8jg5
Event Type
earthquake
Status
✓ Reviewed
Significance
96
RMS Residual
0.40 sec
Last Updated
2021-10-29 14:46:28 UTC

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Actions

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Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 2.5 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: ak021akq8jg5). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, August 18, 2021). M2.5 Earthquake 63 km NE of Chignik, Alaska — August 18, 2021. Retrieved October 29, 2021 from https://www.earthquaketracker.org/earthquakes/event/ak021akq8jg5/