2.9
Earthquake Details: 83 km ESE of Adak, Alaska
Sep 28, 2026, 19:10:40
A magnitude 2.9 earthquake occurred near 83 km ESE of Adak, Alaska on Sep 28, 2026 at 19:10:40. The seismic event was recorded at a depth of 38.5 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
View recent seismic activity near this event:
Technical Details
Depth38.5 km
Significance129
Latitude51.5030
Longitude-175.5770
Event IDaka2026tgehdh
Magnitude2.9
Updated:Sep 30, 2026, 06:26:37 UTC
External Resources
View on USGS Official SiteLoading map...
Time & depth
- Local time
- Sep 28, 2026, 19:10:40
- UTC
- Sep 28, 2026, 19:10:40 UTC
38.5 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby event sequence · 12
M4.485 km SSW of Nikolski, AlaskaBeforeM4.081 km SSW of Nikolski, AlaskaBeforeM3.325 km E of Atka, AlaskaBeforeM3.578 km SSW of Atka, AlaskaBeforeM3.573 km SSW of Atka, AlaskaBeforeM3.182 km SW of Adak, AlaskaBeforeM3.073 km WSW of Adak, AlaskaBeforeM2.7201 km WSW of Adak, AlaskaBeforeM2.7153 km S of Atka, AlaskaBeforeM2.6106 km SW of Adak, AlaskaBeforeM3.397 km SSW of Atka, AlaskaBeforeM2.697 km SSE of Atka, AlaskaBefore
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 30, 2026, 06:26 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.