3.0
Earthquake Details: 237 km W of Adak, Alaska
Aug 23, 2026, 20:13:43
A magnitude 3.0 earthquake occurred near 237 km W of Adak, Alaska on Aug 23, 2026 at 20:13:43. The seismic event was recorded at a depth of 178.781 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
View recent seismic activity near this event:
Technical Details
Depth178.781 km
Significance138
Latitude51.9931
Longitude179.9128
Event IDus6000tn9m
Magnitude3.0
Updated:Aug 31, 2026, 14:51:24 UTC
External Resources
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Time & depth
- Local time
- Aug 23, 2026, 20:13:43
- UTC
- Aug 23, 2026, 20:13:43 UTC
178.781 km · Intermediate-focus
Between 70 and 300 km deep.
Nearby event sequence · 1
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 31, 2026, 14:51 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.