3.3
Earthquake Details: 52 km S of Atka, Alaska
Oct 9, 2026, 15:16:21
- Depth
- 10 km
- Felt reports
- No data
Source: USGSUpdated: Oct 15, 2026, 08:46 PM UTC
A magnitude 3.3 earthquake occurred on Oct 9, 2026 at 15:16:21. Epicenter: 52 km S of Atka, Alaska. Reported depth: 10 km.
Status: Reviewed
Tsunami information
Loading data...
Time & depth
- Local time
- Oct 9, 2026, 03:16:21 GMT-12
- UTC
- Oct 9, 2026, 15:16:21 UTC
10 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Loading map...
Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- USGSml 3.3
us6000u1wi
- Depth:
- 10 km
- Status:
- Reviewed
- Time:
- Updated:
- Oct 15, 2026, 08:46 PM UTC
Technical Details
Depth10 km
Significance168
Latitude51.7270
Longitude-174.0933
Event IDus6000u1wi
Magnitude3.3
Updated:Oct 15, 2026, 20:46:06 UTC
Regional Seismicity
View recent seismic activity near this event:
External Resources
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: Oct 15, 2026, 20:46 UTC.
Data sources:
- USGS — Credit: U.S. Geological Survey.
- EMSC — Credit: EMSC/CSEM. Event catalogue data are provided under 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.
- GeoNet — We acknowledge the New Zealand GeoNet programme and its sponsors NHC, Earth Sciences NZ, LINZ, NEMA and MBIE for providing earthquake data.
- CENC / Wolfx — CENC earthquake parameters via Wolfx, an independent unofficial relay.
- GFZ / GEOFON — Locations, depths and magnitudes: GFZ/GEOFON using GEVN network data (CC BY 4.0).