3.6
Earthquake Details: 55 km SE of Chignik, Alaska
Sep 20, 2026, 17:10:13
A magnitude 3.6 earthquake occurred near 55 km SE of Chignik, Alaska on Sep 20, 2026 at 17:10:13. The seismic event was recorded at a depth of 33.7 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth33.7 km
Significance199
Latitude55.9460
Longitude-157.7720
Event IDaka2026srgcdi
Magnitude3.6
Updated:Sep 20, 2026, 21:39:31 UTC
External Resources
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Time & depth
- Local time
- Sep 20, 2026, 09:10:13 AKDT
- UTC
- Sep 20, 2026, 17:10:13 UTC
33.7 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M2.995 km S of Sand Point, AlaskaBeforeM5.0244 km SSE of False Pass, AlaskaAfterM4.7234 km SSE of False Pass, AlaskaAfterM3.8163 km S of Akhiok, AlaskaAfterM3.177 km WSW of Akhiok, AlaskaAfterM3.737 km SW of Karluk, AlaskaAfterM3.553 km SE of Sand Point, AlaskaAfterM3.175 km WSW of Karluk, AlaskaAfterM3.433 km W of Nanwalek, AlaskaAfterM3.8151 km S of False Pass, AlaskaAfterM3.2216 km SSE of Akhiok, AlaskaAfterM3.3129 km E of Chignik, 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 20, 2026, 21:39 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.