2.9
Earthquake Details: 225 km SE of Chiniak, Alaska
Aug 21, 2026, 23:56:40
A magnitude 2.9 earthquake occurred near 225 km SE of Chiniak, Alaska on Aug 21, 2026 at 23:56:40. The seismic event was recorded at a depth of 10 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth10 km
Significance129
Latitude56.1055
Longitude-149.8189
Event IDus6000tmq2
Magnitude2.9
Updated:Aug 22, 2026, 01:33:30 UTC
External Resources
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Time & depth
- Local time
- Aug 21, 2026, 15:56:40 AKDT
- UTC
- Aug 21, 2026, 23:56:40 UTC
10 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M2.963 km W of Happy Valley, AlaskaBeforeM3.4Southern AlaskaAfterM3.834 km W of Aleneva, AlaskaAfterM3.0202 km SE of Chiniak, AlaskaAfterM2.9203 km SE of Chiniak, AlaskaAfterM3.299 km SSE of Port Graham, AlaskaAfterM3.958 km SSE of Kokhanok, AlaskaAfterM2.9238 km ESE of Chiniak, AlaskaAfterM2.838 km NE of Chenega, AlaskaAfterM3.910 km WSW of Nanwalek, AlaskaAfterM3.456 km WNW of Nanwalek, AlaskaAfterM3.454 km ENE of Pedro Bay, AlaskaAfter
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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 22, 2026, 01:33 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.