3.3
Earthquake Details: 129 km E of Chignik, Alaska
Sep 25, 2026, 20:31:53
A magnitude 3.3 earthquake occurred near 129 km E of Chignik, Alaska on Sep 25, 2026 at 20:31:53. The seismic event was recorded at a depth of 6.3 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth6.3 km
Significance168
Latitude56.3750
Longitude-156.3140
Event IDaka2026tasxwj
Magnitude3.3
Updated:Sep 25, 2026, 20:33:08 UTC
External Resources
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Time & depth
- Local time
- Sep 25, 2026, 12:31:53 AKDT
- UTC
- Sep 25, 2026, 20:31:53 UTC
6.3 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M3.553 km SE of Sand Point, AlaskaBeforeM2.648 km SSE of Perryville, AlaskaBeforeM2.575 km SSE of Perryville, AlaskaBeforeM2.672 km ENE of Ouzinkie, AlaskaBeforeM2.850 km W of Anchor Point, AlaskaBeforeM3.175 km WSW of Karluk, AlaskaBeforeM3.433 km W of Nanwalek, AlaskaBeforeM2.856 km WNW of Anchor Point, AlaskaBeforeM2.916 km SE of Karluk, AlaskaBeforeM3.2216 km SSE of Akhiok, AlaskaBeforeM2.734 km ESE of Pedro Bay, AlaskaBeforeM2.555 km WSW of Karluk, AlaskaBefore
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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 25, 2026, 20:33 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.