2.8
Earthquake Details: 202 km S of Atka, Alaska
Sep 13, 2026, 21:57:14
A magnitude 2.8 earthquake occurred near 202 km S of Atka, Alaska on Sep 13, 2026 at 21:57:14. The seismic event was recorded at a depth of 20 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
View recent seismic activity near this event:
Technical Details
Depth20 km
Significance121
Latitude50.3750
Longitude-174.1390
Event IDaka2026sermil
Magnitude2.8
Updated:Sep 14, 2026, 03:50:41 UTC
External Resources
View on USGS Official SiteLoading map...
Time & depth
- Local time
- Sep 13, 2026, 21:57:14
- UTC
- Sep 13, 2026, 21:57:14 UTC
20 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby event sequence · 12
M5.7152 km SW of Adak, AlaskaBeforeM5.2152 km WSW of Adak, AlaskaBeforeM5.3151 km WSW of Adak, AlaskaBeforeM4.3151 km SW of Adak, AlaskaBeforeM3.5151 km SW of Adak, AlaskaBeforeM3.474 km SE of Atka, AlaskaBeforeM3.494 km SSW of Nikolski, AlaskaBeforeM4.2157 km WSW of Adak, AlaskaBeforeM3.9150 km WSW of Adak, AlaskaBeforeM3.5134 km SW of Adak, AlaskaBeforeM3.6163 km WSW of Adak, AlaskaAfterM3.9167 km WSW of Nikolski, AlaskaAfter
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 14, 2026, 03:50 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.