3.3
Earthquake Details: 8 km NE of Petersville, Alaska
Sep 16, 2026, 07:34:41
A magnitude 3.3 earthquake occurred near 8 km NE of Petersville, Alaska on Sep 16, 2026 at 07:34:41. The seismic event was recorded at a depth of 74 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth74 km
Significance168
Latitude62.5450
Longitude-150.6500
Event IDaka2026sjcuwe
Magnitude3.3
Updated:Sep 16, 2026, 07:54:22 UTC
External Resources
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Time & depth
- Local time
- Sep 15, 2026, 23:34:41 AKDT
- UTC
- Sep 16, 2026, 07:34:41 UTC
74 km · Intermediate-focus
Between 70 and 300 km deep.
Nearby major cities
Nearby event sequence · 8
M3.445 km WNW of Central, AlaskaBeforeM2.851 km WNW of Nikiski, AlaskaBeforeM2.518 km N of Moose Pass, AlaskaBeforeM2.738 km E of Pedro Bay, AlaskaBeforeM2.556 km WNW of Anchor Point, AlaskaBeforeM2.735 km W of Anchor Point, AlaskaBeforeM2.546 km NNW of Valdez, AlaskaAfterM2.843 km S of Glacier View, 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 16, 2026, 07:54 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.