4.1
Earthquake Details: Rat Islands, Aleutian Islands, Alaska
Oct 17, 2026, 09:52:05
- Depth
- 94.461 km
- Felt reports
- No data
Source: USGSUpdated: Oct 28, 2026, 10:32 AM UTC
A magnitude 4.1 earthquake occurred on Oct 17, 2026 at 09:52:05. Epicenter: Rat Islands, Aleutian Islands, Alaska. Reported depth: 94.461 km.
Status: Reviewed
Tsunami information
Loading data...
Time & depth
- Local time
- Oct 17, 2026, 00:52:05 HADT
- UTC
- Oct 17, 2026, 09:52:05 UTC
94.461 km · Intermediate-focus
Between 70 and 300 km deep.
Loading map...
Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- USGSmb 4.1
us6000u30j
- Depth:
- 94.46 km
- Status:
- Reviewed
- Time:
- Updated:
- Oct 28, 2026, 10:32 AM UTC
Technical Details
Depth94.461 km
Significance259
Latitude51.7541
Longitude178.6249
Event IDus6000u30j
Magnitude4.1
Updated:Oct 28, 2026, 10:32:29 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 28, 2026, 10:32 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).