3.3
Earthquake Details: 97 km SSW of Atka, Alaska
Sep 28, 2026, 11:13:35
A magnitude 3.3 earthquake occurred near 97 km SSW of Atka, Alaska on Sep 28, 2026 at 11:13:35. The seismic event was recorded at a depth of 6.8 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
View recent seismic activity near this event:
Technical Details
Depth6.8 km
Significance168
Latitude51.4420
Longitude-174.9080
Event IDaka2026tfojkt
Magnitude3.3
Updated:Sep 29, 2026, 22:55:52 UTC
External Resources
View on USGS Official SiteLoading map...
Time & depth
- Local time
- Sep 28, 2026, 11:13:35
- UTC
- Sep 28, 2026, 11:13:35 UTC
6.8 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby event sequence · 12
M3.8136 km SW of Nikolski, AlaskaBeforeM4.485 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, AlaskaBeforeM2.555 km SW 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 29, 2026, 22:55 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.