2.5
Earthquake Details: 28 km SSE of Nelchina, Alaska, United States
Oct 16, 2026, 15:27:40
- Depth
- 1.1 km
- Felt reports
- 1
Source: USGSUpdated: Oct 21, 2026, 03:45 AM UTC
A magnitude 2.5 earthquake occurred on Oct 16, 2026 at 15:27:40. Epicenter: 28 km SSE of Nelchina, Alaska, United States. Reported depth: 1.1 km.
Status: Reviewed
Tsunami information
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Time & depth
- Local time
- Oct 16, 2026, 07:27:40 AKDT
- UTC
- Oct 16, 2026, 15:27:40 UTC
1.1 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
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Nearby major cities
Nearby earthquakes · 12
M1.927 km E of Halibut Cove, AlaskaAfterM1.734 km N of Chenega, AlaskaAfterM2.459 km SE of Pope-Vannoy Landing, AlaskaAfterM1.723 km SSE of Clam Gulch, AlaskaAfterM2.163 km SW of Cantwell, AlaskaAfterM2.024 km W of Susitna, AlaskaAfterM2.47 km WSW of Sunrise, AlaskaAfterM2.766 km WNW of Happy Valley, AlaskaAfterM1.823 km SW of Salcha, AlaskaAfterM1.649 km NE of Whittier, AlaskaAfterM1.862 km WNW of Happy Valley, AlaskaAfterM2.027 km WNW of Willow, AlaskaAfter
Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- USGSml 2.5
aka2026undgaz
- Depth:
- 1.1 km
- Status:
- Reviewed
- Time:
- Updated:
- Oct 21, 2026, 03:45 AM UTC
Technical Details
Depth1.1 km
Significance96
Latitude61.7610
Longitude-146.5540
Event IDaka2026undgaz
Magnitude2.5
Updated:Oct 21, 2026, 03:45:11 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 21, 2026, 03:45 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).