2.5
Earthquake Details: 28 km S of Unalaska, Alaska
Aug 23, 2026, 06:28:26
A magnitude 2.5 earthquake occurred near 28 km S of Unalaska, Alaska on Aug 23, 2026 at 06:28:26. The seismic event was recorded at a depth of 85.224 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Technical Details
Depth85.224 km
Significance96
Latitude53.6172
Longitude-166.5570
Event IDus6000tn77
Magnitude2.5
Updated:Aug 26, 2026, 04:52:41 UTC
External Resources
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Time & depth
- Local time
- Aug 23, 2026, 06:28:26
- UTC
- Aug 23, 2026, 06:28:26 UTC
85.224 km · Intermediate-focus
Between 70 and 300 km deep.
Nearby event sequence · 12
M2.990 km SSE of Akutan, AlaskaAfterM4.193 km SSE of Sand Point, AlaskaAfterM2.990 km SE of King Cove, AlaskaAfterM2.981 km SE of King Cove, AlaskaAfterM3.9134 km E of Atka, AlaskaAfterM2.9105 km SE of False Pass, AlaskaAfterM4.8195 km SE of Akutan, AlaskaAfterM2.985 km SSW of Unalaska, AlaskaAfterM3.385 km SSE of False Pass, AlaskaAfterM3.374 km SSE of False Pass, AlaskaAfterM3.5212 km SSE of False Pass, AlaskaAfterM3.4215 km SSE of False Pass, 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 26, 2026, 04:52 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.