2.5

M2.5 Earthquake 28 km S of Unalaska, Alaska — August 23, 2026

2026-08-23 06:28:26 UTC (2 days ago) · approx. 7:28 PM UTC-11 local

MagnitudeM2.5(ml)
Time06:28 UTC≈ 7:28 PM UTC-11
Depth85.2 kmintermediate depth
Coordinates53.617°, -166.557°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 53.62°, -166.56°

Earthquake Details

Magnitude
2.5 ml
Depth
85.2 km
intermediate depth
Location
53.6172°N
-166.5570°E

Technical Information

Event ID
us6000tn77
Event Type
earthquake
Status
✓ Reviewed
Significance
96
Stations Used
19
Azimuthal Gap
193.0°
Min Station Distance
0.223°
RMS Residual
0.31 sec
Last Updated
2026-08-26 04:52:41 UTC

Nearby Earthquakes (Last 7 Days)

2.5
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2.5
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3.0
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2.7
137 km SW of Nikolski, Alaska
2 days ago · 20.7 km deep
2.6
66 km S of King Cove, Alaska
2 days ago · 10.7 km deep
2.6
112 km SSE of False Pass, Alaska
3 days ago · 10.2 km deep
3.4
87 km S of Sand Point, Alaska
3 days ago · 3.6 km deep
2.6
93 km SSE of Sand Point, Alaska
3 days ago · 5.8 km deep

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: us6000tn77). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, August 23, 2026). M2.5 Earthquake 28 km S of Unalaska, Alaska — August 23, 2026. Retrieved August 26, 2026 from https://www.earthquaketracker.org/earthquakes/event/us6000tn77/