2.5

M2.5 Earthquake 91 km SSW of Unalaska, Alaska — September 4, 2026

2026-09-04 07:59:56 UTC (13 hours ago) · approx. 8:59 PM UTC-11 local

MagnitudeM2.5(ml)
Time07:59 UTC≈ 8:59 PM UTC-11
Depth37.1 kmshallow crustal
Coordinates53.070°, -166.808°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 53.07°, -166.81°

Earthquake Details

Magnitude
2.5 ml
Depth
37.1 km
shallow crustal
Location
53.0700°N
-166.8080°E

Technical Information

Event ID
aka2026rmzjyi
Event Type
earthquake
Status
✓ Reviewed
Significance
96
Stations Used
19
Azimuthal Gap
264.0°
Min Station Distance
0.700°
RMS Residual
0.40 sec
Last Updated
2026-09-04 21:07:53 UTC

Nearby Earthquakes (Last 7 Days)

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3.0
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2.9
82 km SSW of Nikolski, Alaska
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2.8
81 km SSW of Nikolski, Alaska
14 hours ago · 1.3 km deep
2.9
111 km SSW of Nikolski, Alaska
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2.8
100 km S of Nikolski, Alaska
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Actions

View on USGSDid You Feel It?

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: aka2026rmzjyi). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, September 4, 2026). M2.5 Earthquake 91 km SSW of Unalaska, Alaska — September 4, 2026. Retrieved September 4, 2026 from https://www.earthquaketracker.org/earthquakes/event/aka2026rmzjyi/