2.1

M2.1 Earthquake 35 km SW of Unalaska, Alaska — September 25, 2026

2026-09-25 20:47:24 UTC (2026-09-25) · approx. 9:47 AM UTC-11 local

MagnitudeM2.1(ml)
Time20:47 UTC≈ 9:47 AM UTC-11
Depth78.8 kmintermediate depth
Coordinates53.652°, -166.915°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 53.65°, -166.91°

Earthquake Details

Magnitude
2.1 ml
Depth
78.8 km
intermediate depth
Location
53.6520°N
-166.9150°E

Technical Information

Event ID
aka2026tatlio
Event Type
earthquake
Status
✓ Reviewed
Significance
68
Stations Used
14
Azimuthal Gap
196.0°
Min Station Distance
0.100°
RMS Residual
0.40 sec
Last Updated
2026-10-02 16:38:12 UTC

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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: aka2026tatlio). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, September 25, 2026). M2.1 Earthquake 35 km SW of Unalaska, Alaska — September 25, 2026. Retrieved October 2, 2026 from https://www.earthquaketracker.org/earthquakes/event/aka2026tatlio/