3.1
Earthquake Details: 48 km ESE of Halibut Cove, Alaska, United States
Oct 17, 2026, 19:23:28
- Depth
- 26.3 km
- Felt reports
- No data
Source: USGSUpdated: Oct 17, 2026, 07:44 PM UTC
A magnitude 3.1 earthquake occurred on Oct 17, 2026 at 19:23:28. Epicenter: 48 km ESE of Halibut Cove, Alaska, United States. Reported depth: 26.3 km.
Status: Automatic
Tsunami information
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Time & depth
- Local time
- Oct 17, 2026, 11:23:28 AKDT
- UTC
- Oct 17, 2026, 19:23:28 UTC
26.3 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
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Nearby major cities
Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- USGSml 3.1
aka2026uphcnz
- Depth:
- 26.3 km
- Status:
- Automatic
- Time:
- Updated:
- Oct 17, 2026, 07:44 PM UTC
Technical Details
Depth26.3 km
Significance148
Latitude59.5110
Longitude-150.3920
Event IDaka2026uphcnz
Magnitude3.1
Updated:Oct 17, 2026, 19:44:39 UTC
Regional Seismicity
External Resources
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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 17, 2026, 19:44 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).