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)

2.5
Rat Islands, Aleutian Islands, Alaska
22 hours ago · 56.3 km deep
2.6
294 km W of Adak, Alaska
1 day ago · 65.1 km deep
3.5
8 km SW of Atka, Alaska
2 days ago · 195.4 km deep
3.9
294 km ESE of Attu Station, Alaska
2 days ago · 8.0 km deep
2.8
Rat Islands, Aleutian Islands, Alaska
3 days ago · 6.6 km deep
3.4
Rat Islands, Aleutian Islands, Alaska
4 days ago · 26.9 km deep
2.6
190 km WSW of Adak, Alaska
4 days ago · 44.6 km deep
3.1
Rat Islands, Aleutian Islands, Alaska
4 days ago · 17.3 km deep
4.6
194 km SE of Attu Station, Alaska
4 days ago · 10.0 km deep
3.2
Rat Islands, Aleutian Islands, Alaska
4 days ago · 13.3 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/