2.5

M2.5 Earthquake 18 km WSW of Dutch Harbor, Alaska — September 21, 2026

2026-09-21 22:32:46 UTC (2026-09-21) · approx. 11:32 AM UTC-11 local

MagnitudeM2.5(ml)
Time22:32 UTC≈ 11:32 AM UTC-11
Depth9.7 kmshallow crustal
Coordinates53.848°, -166.821°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 53.85°, -166.82°

Earthquake Details

Magnitude
2.5 ml
Depth
9.7 km
shallow crustal
Location
53.8480°N
-166.8210°E

Technical Information

Event ID
aka2026stmwaj
Event Type
earthquake
Status
✓ Reviewed
Significance
96
Stations Used
22
Azimuthal Gap
80.0°
Min Station Distance
0.100°
RMS Residual
0.30 sec
Last Updated
2026-09-30 05:30:16 UTC

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Actions

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Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 2.5 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: aka2026stmwaj). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, September 21, 2026). M2.5 Earthquake 18 km WSW of Dutch Harbor, Alaska — September 21, 2026. Retrieved September 30, 2026 from https://www.earthquaketracker.org/earthquakes/event/aka2026stmwaj/