2.1

M2.1 Earthquake 164 km WSW of Adak, Alaska — September 25, 2025

2025-09-25 22:31:13 UTC (2025-09-25) · approx. 10:31 AM UTC-12 local

MagnitudeM2.1(ml)
Time22:31 UTC≈ 10:31 AM UTC-12
Depth15.9 kmshallow crustal
Coordinates51.572°, -178.963°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 51.57°, -178.96°

Earthquake Details

Magnitude
2.1 ml
Depth
15.9 km
shallow crustal
Location
51.5715°N
-178.9630°E

Technical Information

Event ID
av93790838
Event Type
earthquake
Status
✓ Reviewed
Significance
67
Stations Used
7
Azimuthal Gap
276.0°
Min Station Distance
0.095°
RMS Residual
0.12 sec
Last Updated
2025-09-28 21:28:27 UTC

Nearby Earthquakes (Last 7 Days)

3.5
159 km SW of Adak, Alaska
13 hours ago · 4.8 km deep
3.5
160 km SW of Adak, Alaska
14 hours ago · 6.9 km deep
2.5
124 km WSW of Adak, Alaska
20 hours ago · 46.9 km deep
2.9
61 km ESE of Atka, Alaska
23 hours ago · 12.7 km deep
2.8
166 km WSW of Adak, Alaska
1 day ago · 40.2 km deep
3.5
52 km SSW of Adak, Alaska
1 day ago · 22.9 km deep
2.6
73 km SSE of Adak, Alaska
1 day ago · 29.1 km deep
3.0
58 km SSW of Adak, Alaska
1 day ago · 40.2 km deep
2.8
75 km SSE of Adak, Alaska
2 days ago · 23.2 km deep
3.1
114 km SW of Adak, Alaska
3 days ago · 7.3 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: av93790838). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, September 25, 2025). M2.1 Earthquake 164 km WSW of Adak, Alaska — September 25, 2025. Retrieved September 28, 2025 from https://www.earthquaketracker.org/earthquakes/event/av93790838/