2.4

M2.4 Earthquake 66 km SE of Perryville, Alaska — August 20, 2021

2021-08-20 21:55:33 UTC (2021-08-20) · approx. 10:55 AM UTC-11 local

MagnitudeM2.4(ml)
Time21:55 UTC≈ 10:55 AM UTC-11
Depth14.4 kmshallow crustal
Coordinates55.471°, -158.420°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 55.47°, -158.42°

Earthquake Details

Magnitude
2.4 ml
Depth
14.4 km
shallow crustal
Location
55.4712°N
-158.4196°E

Technical Information

Event ID
ak021ao1ih50
Event Type
earthquake
Status
✓ Reviewed
Significance
89
RMS Residual
0.58 sec
Last Updated
2021-11-02 14:55:47 UTC

Nearby Earthquakes (Last 7 Days)

2.5
75 km SSE of Perryville, Alaska
2 hours ago · 15.0 km deep
2.6
48 km SSE of Perryville, Alaska
8 hours ago · 5.0 km deep
3.5
53 km SE of Sand Point, Alaska
9 hours ago · 35.0 km deep
2.7
76 km S of Perryville, Alaska
10 hours ago · 5.0 km deep
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
5.0
248 km SSE of False Pass, Alaska
2 days ago · 10.0 km deep
3.6
55 km SE of Chignik, Alaska
2 days ago · 33.7 km deep
2.6
90 km N of Karluk, Alaska
3 days ago · 5.0 km deep

Actions

View on USGSDid You Feel It?

Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 2.4 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: ak021ao1ih50). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, August 20, 2021). M2.4 Earthquake 66 km SE of Perryville, Alaska — August 20, 2021. Retrieved November 2, 2021 from https://www.earthquaketracker.org/earthquakes/event/ak021ao1ih50/