2.8
Earthquake Details: 75 km W of Adak, Alaska
Oct 28, 2026, 04:51:27
- Depth
- 5.57 km
- Felt reports
- No data
Source: USGSUpdated: Oct 29, 2026, 08:45 PM UTC
A magnitude 2.8 earthquake occurred on Oct 28, 2026 at 04:51:27. Epicenter: 75 km W of Adak, Alaska. Reported depth: 5.57 km.
Tsunami information
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Time & depth
- Local time
- Oct 27, 2026, 19:51:27 HADT
- UTC
- Oct 28, 2026, 04:51:27 UTC
5.57 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
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Nearby earthquakes · 2
Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- USGSM 2.77
av94472958
- Depth:
- 5.57 km
- Time:
- Updated:
- Oct 29, 2026, 08:45 PM UTC
Technical Details
Depth5.57 km
Significance118
Latitude51.8762
Longitude-177.7357
Event IDav94472958
Magnitude2.8
Updated:Oct 29, 2026, 20:45:08 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 29, 2026, 20:45 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).