2.8

M2.8 Earthquake 31 km SE of Unalaska, Alaska — August 3, 2025

2025-08-03 23:03:27 UTC (2025-08-03) · approx. 12:03 PM UTC-11 local

MagnitudeM2.8(ml)
Time23:03 UTC≈ 12:03 PM UTC-11
Depth80.1 kmintermediate depth
Coordinates53.686°, -166.187°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 53.69°, -166.19°

Earthquake Details

Magnitude
2.8 ml
Depth
80.1 km
intermediate depth
Location
53.6856°N
-166.1872°E

Technical Information

Event ID
us6000re8s
Event Type
earthquake
Status
✓ Reviewed
Significance
121
Stations Used
26
Azimuthal Gap
188.0°
Min Station Distance
0.247°
RMS Residual
0.25 sec
Last Updated
2025-10-17 22:51:42 UTC

Nearby Earthquakes (Last 7 Days)

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5.0
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3.7
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4.0
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2.5
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3.8
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3 days ago · 39.8 km deep
3.0
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2.6
98 km S of Sand Point, Alaska
3 days ago · 4.9 km deep
3.7
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3 days ago · 141.8 km deep

Actions

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Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 2.8 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: us6000re8s). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, August 3, 2025). M2.8 Earthquake 31 km SE of Unalaska, Alaska — August 3, 2025. Retrieved October 17, 2025 from https://www.earthquaketracker.org/earthquakes/event/us6000re8s/