2.1

M2.1 Earthquake 128 km SW of Adak, Alaska — August 17, 2021

2021-08-17 23:13:13 UTC (2021-08-17) · approx. 11:13 AM UTC-12 local

MagnitudeM2.1(ml)
Time23:13 UTC≈ 11:13 AM UTC-12
Depth25.6 kmshallow crustal
Coordinates51.158°, -178.088°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 51.16°, -178.09°

Earthquake Details

Magnitude
2.1 ml
Depth
25.6 km
shallow crustal
Location
51.1578°N
-178.0884°E

Technical Information

Event ID
ak021aj3u9gv
Event Type
earthquake
Status
✓ Reviewed
Significance
68
RMS Residual
0.50 sec
Last Updated
2021-08-26 20:23:24 UTC

Nearby Earthquakes (Last 7 Days)

3.5
148 km WSW of Adak, Alaska
1 day ago · 0.1 km deep
3.9
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3.2
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3.6
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3.8
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3.3
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5 days ago · 53.2 km deep
2.5
55 km SSE of Atka, Alaska
5 days ago · 52.8 km deep
3.1
172 km WSW of Nikolski, Alaska
5 days ago · 100.2 km deep
3.4
168 km WSW of Nikolski, Alaska
5 days ago · 104.3 km deep
3.8
166 km W of Nikolski, Alaska
5 days ago · 97.5 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: ak021aj3u9gv). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, August 17, 2021). M2.1 Earthquake 128 km SW of Adak, Alaska — August 17, 2021. Retrieved August 26, 2021 from https://www.earthquaketracker.org/earthquakes/event/ak021aj3u9gv/