3.1
Earthquake Details: 75 km WSW of Karluk, Alaska
Sep 23, 2026, 13:30:25
A magnitude 3.1 earthquake occurred near 75 km WSW of Karluk, Alaska on Sep 23, 2026 at 13:30:25. The seismic event was recorded at a depth of 51.3 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth51.3 km
Significance148
Latitude57.2020
Longitude-155.5080
Event IDaka2026swmvfb
Magnitude3.1
Updated:Sep 23, 2026, 15:17:04 UTC
External Resources
View on USGS Official SiteLoading map...
Time & depth
- Local time
- Sep 23, 2026, 05:30:25 AKDT
- UTC
- Sep 23, 2026, 13:30:25 UTC
51.3 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M3.655 km SE of Chignik, AlaskaBeforeM3.120 km NE of Nikolaevsk, AlaskaBeforeM3.8163 km S of Akhiok, AlaskaBeforeM3.177 km WSW of Akhiok, AlaskaBeforeM3.737 km SW of Karluk, AlaskaBeforeM3.553 km SE of Sand Point, AlaskaBeforeM2.850 km W of Anchor Point, AlaskaBeforeM3.1236 km SE of Chiniak, AlaskaBeforeM3.433 km W of Nanwalek, AlaskaAfterM2.916 km SE of Karluk, 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 23, 2026, 15:17 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.