2.1

M2.1 Earthquake 149 km WSW of Adak, Alaska — April 20, 2025

2025-04-20 23:12:12 UTC (2025-04-20) · approx. 11:12 AM UTC-12 local

MagnitudeM2.1(ml)
Time23:12 UTC≈ 11:12 AM UTC-12
Depth22.2 kmshallow crustal
Coordinates51.225°, -178.522°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 51.23°, -178.52°

Earthquake Details

Magnitude
2.1 ml
Depth
22.2 km
shallow crustal
Location
51.2251°N
-178.5217°E

Technical Information

Event ID
ak02552avqsl
Event Type
earthquake
Status
✓ Reviewed
Significance
68
RMS Residual
0.54 sec
Last Updated
2025-05-05 21:09:58 UTC

Nearby Earthquakes (Last 7 Days)

2.5
103 km SSE of Atka, Alaska
15 hours ago · 5.0 km deep
3.8
221 km ESE of Attu Station, Alaska
16 hours ago · 5.0 km deep
3.9
128 km SSE of Atka, Alaska
1 day ago · 35.0 km deep
3.1
237 km ESE of Attu Station, Alaska
1 day ago · 10.0 km deep
2.7
19 km S of Adak, Alaska
1 day ago · 83.0 km deep
3.3
234 km WSW of Adak, Alaska
1 day ago · 62.5 km deep
3.7
100 km SE of Atka, Alaska
1 day ago · 9.1 km deep
2.5
101 km SE of Atka, Alaska
1 day ago · 20.0 km deep
3.1
230 km ESE of Attu Station, Alaska
1 day ago · 10.0 km deep
2.5
178 km WSW of Adak, Alaska
1 day ago · 73.8 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: ak02552avqsl). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, April 20, 2025). M2.1 Earthquake 149 km WSW of Adak, Alaska — April 20, 2025. Retrieved May 5, 2025 from https://www.earthquaketracker.org/earthquakes/event/ak02552avqsl/