2.6
Earthquake Details: 87 km S of Unalaska, Alaska, United States
8/16/2026, 6:12:32 AM
A magnitude 2.6 earthquake occurred near 87 km S of Unalaska, Alaska, United States on 8/16/2026 at 6:12:32 AM. The seismic event was recorded at a depth of 19.9 km. No tsunami warning was issued.
No Tsunami WarningStatus: reviewedType: earthquake
Technical Details
Depth19.9 km
Significance104
Latitude53.0870
Longitude-166.6280
Event IDaka2026qdtkba
Magnitude2.6
Updated:8/17/2026, 6:07:02 PM
External Resources
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Time & depth
- Local time
- 8/16/2026, 6:12:32 AM
- UTC
- 8/16/2026, 6:12:32 AM UTC
19.9 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby event sequence · 12
M3.791 km SE of Atka, Alaska, United StatesBeforeM3.291 km E of Nikolski, Alaska, United StatesBeforeM4.060 km SSW of Unalaska, Alaska, United StatesBeforeM3.469 km SSE of King Cove, Alaska, United StatesBeforeM3.3128 km SSE of Sand Point, Alaska, United StatesBeforeM3.3119 km SSE of Sand Point, Alaska, United StatesBeforeM3.292 km SSE of Sand Point, Alaska, United StatesAfterM3.293 km SE of King Cove, Alaska, United StatesAfterM3.389 km SE of King Cove, Alaska, United StatesAfterM3.487 km SSW of Unalaska, Alaska, United StatesAfterM3.491 km SSW of Unalaska, Alaska, United StatesAfterM3.687 km SSE of Sand Point, Alaska, United StatesAfter
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 17, 2026, 06:07 PM 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.