2.3

M2.3 Earthquake 81 km W of Karluk, Alaska — August 20, 2021

2021-08-20 21:07:39 UTC (2021-08-20) · approx. 11:07 AM UTC-10 local

MagnitudeM2.3(ml)
Time21:07 UTC≈ 11:07 AM UTC-10
Depth6.1 kmshallow crustal
Coordinates57.650°, -155.807°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 57.65°, -155.81°

Earthquake Details

Magnitude
2.3 ml
Depth
6.1 km
shallow crustal
Location
57.6498°N
-155.8072°E

Technical Information

Event ID
ak021ao187dt
Event Type
earthquake
Status
✓ Reviewed
Significance
81
RMS Residual
0.51 sec
Last Updated
2021-11-02 14:53:47 UTC

Nearby Earthquakes (Last 7 Days)

2.5
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2.6
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3.5
53 km SE of Sand Point, Alaska
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2.7
76 km S of Perryville, Alaska
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3.7
37 km SW of Karluk, Alaska
21 hours ago · 50.9 km deep
3.1
77 km WSW of Akhiok, Alaska
1 day ago · 52.0 km deep
3.8
163 km S of Akhiok, Alaska
1 day ago · 20.0 km deep
3.1
20 km NE of Nikolaevsk, Alaska
1 day ago · 45.9 km deep
2.6
50 km WNW of Nanwalek, Alaska
2 days ago · 90.6 km deep
2.8
64 km ESE of Pedro Bay, Alaska
2 days ago · 102.1 km deep

Actions

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Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 2.3 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: ak021ao187dt). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, August 20, 2021). M2.3 Earthquake 81 km W of Karluk, Alaska — August 20, 2021. Retrieved November 2, 2021 from https://www.earthquaketracker.org/earthquakes/event/ak021ao187dt/