4.5
Earthquake Details: 92 km S of False Pass, Alaska
Sep 11, 2026, 07:31:45
A magnitude 4.5 earthquake occurred near 92 km S of False Pass, Alaska on Sep 11, 2026 at 07:31:45. The seismic event was recorded at a depth of 43.11 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth43.11 km
Significance312
Latitude54.0340
Longitude-163.1555
Event IDus7000tgk1
Magnitude4.5
Updated:Sep 11, 2026, 13:15:36 UTC
External Resources
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Time & depth
- Local time
- Sep 10, 2026, 23:31:45 AKDT
- UTC
- Sep 11, 2026, 07:31:45 UTC
43.11 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M4.1105 km SSE of King Cove, AlaskaBeforeM3.692 km SSW of Nikolski, AlaskaBeforeM2.66 km WNW of Dutch Harbor, AlaskaBeforeM4.288 km SSW of Nikolski, AlaskaBeforeM4.077 km SSW of Nikolski, AlaskaBeforeM3.689 km SSW of Nikolski, AlaskaBeforeM3.473 km SW of Nikolski, AlaskaBeforeM2.513 km NW of Chignik Lake, AlaskaBeforeM2.9115 km E of Chignik, AlaskaBeforeM2.5108 km S of Nikolski, AlaskaBeforeM2.6117 km E of Chignik, AlaskaBeforeM4.4Alaska PeninsulaAfter
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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, 13:15 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.