2.5
Earthquake Details: 104 km SSE of Old Harbor, Alaska
Sep 11, 2026, 19:48:41
A magnitude 2.5 earthquake occurred near 104 km SSE of Old Harbor, Alaska on Sep 11, 2026 at 19:48:41. The seismic event was recorded at a depth of 20.1 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth20.1 km
Significance96
Latitude56.3050
Longitude-152.7820
Event IDaka2026savely
Magnitude2.5
Updated:Sep 11, 2026, 22:05:11 UTC
External Resources
View on USGS Official SiteLoading map...
Time & depth
- Local time
- Sep 11, 2026, 11:48:41 AKDT
- UTC
- Sep 11, 2026, 19:48:41 UTC
20.1 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M3.2281 km ESE of Chiniak, AlaskaBeforeM2.513 km NW of Chignik Lake, AlaskaBeforeM2.9115 km E of Chignik, AlaskaBeforeM2.87 km SW of Cohoe, AlaskaBeforeM3.1219 km SE of Chiniak, AlaskaBeforeM2.533 km W of Port Lions, AlaskaBeforeM2.6117 km E of Chignik, AlaskaBeforeM2.537 km ENE of Port Alsworth, AlaskaBeforeM2.956 km SW of Nanwalek, AlaskaBeforeM3.3263 km SSE of Perryville, AlaskaBeforeM3.0267 km SSE of Perryville, AlaskaBeforeM3.2107 km SE of Akhiok, AlaskaBefore
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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 11, 2026, 22:05 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.