2.5
Earthquake Details: 73 km E of Port Alsworth, Alaska
Sep 20, 2026, 09:09:19
A magnitude 2.5 earthquake occurred near 73 km E of Port Alsworth, Alaska on Sep 20, 2026 at 09:09:19. The seismic event was recorded at a depth of 138.8 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth138.8 km
Significance96
Latitude60.2080
Longitude-152.9920
Event IDaka2026sqqbej
Magnitude2.5
Updated:Sep 25, 2026, 18:14:03 UTC
External Resources
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Time & depth
- Local time
- Sep 20, 2026, 01:09:19 AKDT
- UTC
- Sep 20, 2026, 09:09:19 UTC
138.8 km · Intermediate-focus
Between 70 and 300 km deep.
Nearby major cities
Nearby event sequence · 12
M3.257 km ENE of Chenega, AlaskaAfterM3.120 km NE of Nikolaevsk, AlaskaAfterM3.177 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 25, 2026, 18:14 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.