3.5
Earthquake Details: 227 km SE of Chiniak, Alaska
Sep 27, 2026, 05:27:21
A magnitude 3.5 earthquake occurred near 227 km SE of Chiniak, Alaska on Sep 27, 2026 at 05:27:21. 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
Significance188
Latitude56.1117
Longitude-149.7401
Event IDus6000txwz
Magnitude3.5
Updated:Sep 27, 2026, 07:18:44 UTC
External Resources
View on USGS Official SiteLoading map...
Time & depth
- Local time
- Sep 26, 2026, 21:27:21 AKDT
- UTC
- Sep 27, 2026, 05:27:21 UTC
10 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M3.2216 km SSE of Akhiok, AlaskaBeforeM2.734 km ESE of Pedro Bay, AlaskaBeforeM2.555 km WSW of Karluk, AlaskaBeforeM3.3129 km E of Chignik, AlaskaBeforeM2.563 km W of Karluk, AlaskaBeforeM2.9124 km SSE of Ugashik, AlaskaAfterM2.665 km ENE of Pedro Bay, AlaskaAfterM3.144 km E of Pedro Bay, AlaskaAfterM2.762 km ESE of King Salmon, AlaskaAfterM3.642 km WSW of Anchor Point, AlaskaAfterM2.613 km NNW of Ninilchik, AlaskaAfterM2.512 km N of Karluk, 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 27, 2026, 07:18 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.