2.5
Earthquake Details: 87 km SE of Unalaska, Alaska
Aug 20, 2026, 02:42:24
A magnitude 2.5 earthquake occurred near 87 km SE of Unalaska, Alaska on Aug 20, 2026 at 02:42:24. The seismic event was recorded at a depth of 35 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Technical Details
Depth35 km
Significance96
Latitude53.2986
Longitude-165.6306
Event IDus6000tm1h
Magnitude2.5
Updated:Aug 21, 2026, 23:23:07 UTC
External Resources
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Time & depth
- Local time
- Aug 20, 2026, 02:42:24
- UTC
- Aug 20, 2026, 02:42:24 UTC
35 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby event sequence · 12
M3.193 km SE of King Cove, AlaskaAfterM3.1140 km S of Sand Point, AlaskaAfterM3.487 km S of Sand Point, AlaskaAfterM2.7137 km SW of Nikolski, AlaskaAfterM2.777 km SE of Akutan, AlaskaAfterM2.775 km ESE of Akutan, AlaskaAfterM3.0105 km SSW of Nikolski, AlaskaAfterM2.990 km SSE of Akutan, AlaskaAfterM2.856 km SE of Sand Point, AlaskaAfterM4.193 km SSE of Sand Point, AlaskaAfterM2.990 km SE of King Cove, AlaskaAfterM2.981 km SE of King Cove, AlaskaAfter
Earthquake information is automatically aggregated from the official seismic agencies listed below. Preliminary measurements can change as agencies review an event; use local emergency authorities for safety decisions. Latest successful data update: Aug 21, 2026, 23:23 UTC.
Data sources:
- USGS — Credit: U.S. Geological Survey.
- EMSC — Credit: EMSC/CSEM. Event catalogue data are provided under CC BY 4.0. CC BY 4.0
- JMA — Source: Japan Meteorological Agency (JMA).
- Geoscience Australia — Based on Australian Earthquakes data by Geoscience Australia. © Commonwealth of Australia. Licensed under CC BY 4.0; the section 5 disclaimer applies. CC BY 4.0
- GeoNet — We acknowledge the New Zealand GeoNet programme and its sponsors NHC, Earth Sciences NZ, LINZ, NEMA and MBIE for providing earthquake data.