2.5
Earthquake Details: 25 km S of Port Graham, Alaska
Sep 20, 2026, 06:59:28
A magnitude 2.5 earthquake occurred near 25 km S of Port Graham, Alaska on Sep 20, 2026 at 06:59:28. The seismic event was recorded at a depth of 54.8 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth54.8 km
Significance96
Latitude59.1250
Longitude-151.8960
Event IDaka2026sqlsqi
Magnitude2.5
Updated:Sep 20, 2026, 07:04:08 UTC
External Resources
View on USGS Official SiteLoading map...
Time & depth
- Local time
- Sep 19, 2026, 22:59:28 AKDT
- UTC
- Sep 20, 2026, 06:59:28 UTC
54.8 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, AlaskaAfterM3.655 km SE of Chignik, AlaskaAfterM3.120 km NE of Nikolaevsk, AlaskaAfterM3.8163 km S of Akhiok, AlaskaAfterM3.177 km WSW of Akhiok, AlaskaAfterM3.737 km SW of Karluk, AlaskaAfterM3.221 km SW of Susitna, AlaskaAfterM3.227 km ESE of Skwentna, AlaskaAfterM3.433 km W of Nanwalek, AlaskaAfterM3.714 km SSE of Susitna North, 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 20, 2026, 07:04 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.