2.5

M2.5 Earthquake 94 km SE of Unalaska, Alaska — October 21, 2026

2026-10-21 11:33:19 UTC (3 days ago) · approx. 12:33 AM UTC-11 local

MagnitudeM2.5(ml)
Time11:33 UTC≈ 12:33 AM UTC-11
Depth17.9 kmshallow crustal
Coordinates53.259°, -165.560°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 53.26°, -165.56°

Earthquake Details

Magnitude
2.5 ml
Depth
17.9 km
shallow crustal
Location
53.2590°N
-165.5600°E

Technical Information

Event ID
aka2026uwbnse
Event Type
earthquake
Status
✓ Reviewed
Significance
96
Stations Used
27
Azimuthal Gap
226.0°
Min Station Distance
0.900°
RMS Residual
0.40 sec
Last Updated
2026-10-23 21:49:17 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: aka2026uwbnse). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, October 21, 2026). M2.5 Earthquake 94 km SE of Unalaska, Alaska — October 21, 2026. Retrieved October 23, 2026 from https://www.earthquaketracker.org/earthquakes/event/aka2026uwbnse/