4.0
Earthquake Details: 119 km E of Chignik, Alaska
Sep 15, 2026, 14:32:38
A magnitude 4.0 earthquake occurred near 119 km E of Chignik, Alaska on Sep 15, 2026 at 14:32:38. The seismic event was recorded at a depth of 17.9 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth17.9 km
Significance246
Latitude56.1990
Longitude-156.4880
Event IDaka2026shusro
Magnitude4.0
Updated:Sep 15, 2026, 20:47:47 UTC
External Resources
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Time & depth
- Local time
- Sep 15, 2026, 06:32:38 AKDT
- UTC
- Sep 15, 2026, 14:32:38 UTC
17.9 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 8
M2.8256 km SSE of Perryville, AlaskaBeforeM2.8249 km SSE of Perryville, AlaskaBeforeM2.598 km S of False Pass, AlaskaBeforeM2.530 km NW of Ivanof Bay, AlaskaBeforeM2.738 km E of Pedro Bay, AlaskaBeforeM3.082 km S of Akhiok, AlaskaBeforeM2.556 km WNW of Anchor Point, AlaskaAfterM2.735 km W of Anchor Point, 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: Sep 15, 2026, 20:47 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.