2.8

M2.8 Earthquake 145 km SE of Perryville, Alaska — August 17, 2021

2021-08-17 22:45:59 UTC (2021-08-17) · approx. 11:45 AM UTC-11 local

MagnitudeM2.8(ml)
Time22:45 UTC≈ 11:45 AM UTC-11
Depth20.6 kmshallow crustal
Coordinates54.977°, -157.528°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 54.98°, -157.53°

Earthquake Details

Magnitude
2.8 ml
Depth
20.6 km
shallow crustal
Location
54.9775°N
-157.5284°E

Technical Information

Event ID
ak021aj3fvxy
Event Type
earthquake
Status
✓ Reviewed
Significance
121
RMS Residual
0.47 sec
Last Updated
2021-10-29 14:46:57 UTC

Nearby Earthquakes (Last 7 Days)

2.5
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3.1
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5.0
248 km SSE of False Pass, Alaska
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3.6
55 km SE of Chignik, Alaska
2 days ago · 33.7 km deep
2.6
90 km N of Karluk, Alaska
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Actions

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Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 2.8 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: ak021aj3fvxy). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, August 17, 2021). M2.8 Earthquake 145 km SE of Perryville, Alaska — August 17, 2021. Retrieved October 29, 2021 from https://www.earthquaketracker.org/earthquakes/event/ak021aj3fvxy/