2.1

M2.1 Earthquake 70 km SE of Perryville, Alaska — August 11, 2021

2021-08-11 18:56:30 UTC (2021-08-11) · approx. 7:56 AM UTC-11 local

MagnitudeM2.1(ml)
Time18:56 UTC≈ 7:56 AM UTC-11
Depth24.3 kmshallow crustal
Coordinates55.429°, -158.411°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 55.43°, -158.41°

Earthquake Details

Magnitude
2.1 ml
Depth
24.3 km
shallow crustal
Location
55.4288°N
-158.4110°E

Technical Information

Event ID
ak021a93w9ao
Event Type
earthquake
Status
✓ Reviewed
Significance
68
RMS Residual
0.46 sec
Last Updated
2021-08-20 01:58:33 UTC

Nearby Earthquakes (Last 7 Days)

2.9
16 km SE of Karluk, Alaska
10 hours ago · 23.1 km deep
3.1
75 km WSW of Karluk, Alaska
1 day ago · 51.3 km deep
2.5
75 km SSE of Perryville, Alaska
1 day ago · 15.0 km deep
2.6
48 km SSE of Perryville, Alaska
1 day ago · 5.0 km deep
3.5
53 km SE of Sand Point, Alaska
1 day ago · 35.0 km deep
2.7
76 km S of Perryville, Alaska
1 day ago · 5.0 km deep
3.7
37 km SW of Karluk, Alaska
2 days ago · 50.9 km deep
3.1
77 km WSW of Akhiok, Alaska
2 days ago · 52.0 km deep
3.8
163 km S of Akhiok, Alaska
2 days ago · 20.0 km deep
5.0
248 km SSE of False Pass, Alaska
3 days ago · 10.0 km deep

Actions

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Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 2.1 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: ak021a93w9ao). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, August 11, 2021). M2.1 Earthquake 70 km SE of Perryville, Alaska — August 11, 2021. Retrieved August 20, 2021 from https://www.earthquaketracker.org/earthquakes/event/ak021a93w9ao/