3.1
Earthquake Details: 20 km NE of Nikolaevsk, Alaska
Sep 21, 2026, 09:38:37
A magnitude 3.1 earthquake occurred near 20 km NE of Nikolaevsk, Alaska on Sep 21, 2026 at 09:38:37. The seismic event was recorded at a depth of 45.9 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth45.9 km
Significance148
Latitude59.9340
Longitude-151.3280
Event IDaka2026ssnawb
Magnitude3.1
Updated:Sep 21, 2026, 16:55:19 UTC
External Resources
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Time & depth
- Local time
- Sep 21, 2026, 01:38:37 AKDT
- UTC
- Sep 21, 2026, 09:38:37 UTC
45.9 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M3.257 km ENE of Chenega, AlaskaBeforeM2.864 km ESE of Pedro Bay, AlaskaBeforeM3.177 km WSW of Akhiok, AlaskaAfterM3.737 km SW of Karluk, AlaskaAfterM3.221 km SW of Susitna, AlaskaAfterM3.227 km ESE of Skwentna, AlaskaAfterM3.1236 km SE of Chiniak, AlaskaAfterM3.175 km WSW of Karluk, AlaskaAfterM3.433 km W of Nanwalek, AlaskaAfterM3.714 km SSE of Susitna North, AlaskaAfterM2.916 km SE of Karluk, 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 21, 2026, 16:55 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.