3.2
Earthquake Details: 63 km SW of Adak, Alaska
Oct 20, 2026, 03:44:27
- Depth
- 10 km
- Felt reports
- No data
Source: USGSUpdated: Oct 21, 2026, 11:01 PM UTC
A magnitude 3.2 earthquake occurred on Oct 20, 2026 at 03:44:27. Epicenter: 63 km SW of Adak, Alaska. Reported depth: 10 km.
Tsunami information
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Time & depth
- Local time
- Oct 19, 2026, 15:44:27 GMT-12
- UTC
- Oct 20, 2026, 03:44:27 UTC
10 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
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Nearby earthquakes · 12
M4.2Rat Islands, Aleutian Islands, AlaskaBeforeM3.168 km E of Atka, AlaskaAfterM2.9186 km S of Atka, AlaskaAfterM3.1177 km W of Nikolski, AlaskaAfterM2.359 km SE of Atka, AlaskaAfterM2.284 km SW of Atka, AlaskaAfterM2.177 km SSW of Adak, AlaskaAfterM2.254 km SW of Adak, AlaskaAfterM3.2135 km SW of Nikolski, AlaskaAfterM2.829 km WNW of Atka, AlaskaAfterM3.511 km NNE of Atka, AlaskaAfterM4.6153 km WNW of Adak, AlaskaAfter
Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- USGSM 3.2
us6000u3qx
- Depth:
- 10 km
- Time:
- Updated:
- Oct 21, 2026, 11:01 PM UTC
Technical Details
Depth10 km
Significance158
Latitude51.4212
Longitude-177.1821
Event IDus6000u3qx
Magnitude3.2
Updated:Oct 21, 2026, 23:01:32 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 21, 2026, 23:01 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).