1.8
Earthquake Details: 17 km SW of Nenana, Alaska, United States
Oct 21, 2026, 01:31:48
- Depth
- 11.7 km
- Felt reports
- No data
Source: USGSUpdated: Oct 23, 2026, 07:12 PM UTC
A magnitude 1.8 earthquake occurred on Oct 21, 2026 at 01:31:48. Epicenter: 17 km SW of Nenana, Alaska, United States. Reported depth: 11.7 km.
Status: Reviewed
Tsunami information
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Time & depth
- Local time
- Oct 20, 2026, 17:31:48 AKDT
- UTC
- Oct 21, 2026, 01:31:48 UTC
11.7 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 1.8
aka2026uvhmdb
- Depth:
- 11.7 km
- Status:
- Reviewed
- Time:
- Updated:
- Oct 23, 2026, 07:12 PM UTC
Technical Details
Depth11.7 km
Significance50
Latitude64.4740
Longitude-149.3920
Event IDaka2026uvhmdb
Magnitude1.8
Updated:Oct 23, 2026, 19:12:06 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 23, 2026, 19:12 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).