3.4
Earthquake details: 218 km SSE of Atka, Alaska
Oct 17, 2026, 08:11:43
- Depth
- 10 km
- Felt reports
- No data
Source: USGSUpdated: Nov 7, 2026, 01:17 PM UTC
A magnitude 3.4 earthquake occurred on Oct 17, 2026 at 08:11:43. Epicenter: 218 km SSE of Atka, Alaska. Reported depth: 10 km.
Status: Reviewed
Tsunami information
Loading data...
Time & depth
- Local time
- Oct 16, 2026, 20:11:43 GMT-12
- UTC
- Oct 17, 2026, 08:11:43 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 3.4
us6000u30i
- Depth:
- 10 km
- Status:
- Reviewed
- Time:
- Updated:
- Nov 7, 2026, 01:17 PM UTC
Technical Details
Depth10 km
Significance178
Latitude50.3362
Longitude-173.2007
Event IDus6000u30i
Magnitude3.4
Updated:Nov 7, 2026, 13:17:42 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: Nov 7, 2026, 13:17 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).