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)

3.3
203 km WSW of Adak, Alaska
2 hours ago · 71.6 km deep
2.5
82 km SW of Adak, Alaska
4 hours ago · 26.5 km deep
3.0
210 km WSW of Adak, Alaska
6 hours ago · 42.3 km deep
5.2
49 km ESE of Adak, Alaska
6 hours ago · 58.3 km deep
2.5
Rat Islands, Aleutian Islands, Alaska
9 hours ago · 66.3 km deep
2.7
154 km SW of Adak, Alaska
11 hours ago · 21.7 km deep
3.0
174 km S of Atka, Alaska
13 hours ago · 10.0 km deep
3.0
168 km S of Adak, Alaska
20 hours ago · 7.7 km deep
4.6
Rat Islands, Aleutian Islands, Alaska
1 day ago · 14.3 km deep
2.6
122 km WSW of Adak, Alaska
1 day ago · 9.6 km deep

Actions

View on USGSDid You Feel It?

Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 2.1 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Be Prepared

→ What to do during an earthquake→ Create an emergency plan→ Emergency kit essentials→ See all M4.5+ earthquakes today

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 May 28, 2026 from https://www.earthquaketracker.org/earthquakes/event/av93790838/