2.1

M2.1 Earthquake 129 km S of Unalaska, Alaska — April 23, 2025

2025-04-23 21:46:47 UTC (2025-04-23) · approx. 10:46 AM UTC-11 local

MagnitudeM2.1(ml)
Time21:46 UTC≈ 10:46 AM UTC-11
Depth25.1 kmshallow crustal
Coordinates52.714°, -166.635°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 52.71°, -166.63°

Earthquake Details

Magnitude
2.1 ml
Depth
25.1 km
shallow crustal
Location
52.7136°N
-166.6349°E

Technical Information

Event ID
ak025578iasa
Event Type
earthquake
Status
✓ Reviewed
Significance
68
RMS Residual
0.69 sec
Last Updated
2025-05-05 17:00:24 UTC

Nearby Earthquakes (Last 7 Days)

5.0
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21 hours ago · 15.6 km deep
3.3
100 km E of Akutan, Alaska
1 day ago · 35.0 km deep
2.9
157 km S of Unalaska, Alaska
2 days ago · 3.5 km deep
3.4
110 km SSW of Nikolski, Alaska
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3.0
117 km ESE of Atka, Alaska
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2.5
123 km SSE of Unalaska, Alaska
3 days ago · 10.0 km deep
3.0
113 km ESE of Akutan, Alaska
3 days ago · 19.6 km deep
2.5
73 km SW of Unalaska, Alaska
3 days ago · 1.8 km deep
2.6
85 km SE of Akutan, Alaska
4 days ago · 58.1 km deep
2.6
90 km SSE of Akutan, Alaska
4 days ago · 27.8 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: ak025578iasa). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, April 23, 2025). M2.1 Earthquake 129 km S of Unalaska, Alaska — April 23, 2025. Retrieved May 5, 2025 from https://www.earthquaketracker.org/earthquakes/event/ak025578iasa/