3.3
Earthquake Details: 272 km SE of Chiniak, Alaska, United States
Oct 26, 2026, 20:10:52
- Depth
- 10 km
- Felt reports
- No data
Source: USGSUpdated: Oct 27, 2026, 04:57 AM UTC
A magnitude 3.3 earthquake occurred on Oct 26, 2026 at 20:10:52. Epicenter: 272 km SE of Chiniak, Alaska, United States. Reported depth: 10 km.
Tsunami information
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Time & depth
- Local time
- Oct 26, 2026, 10:10:52 GMT-10
- UTC
- Oct 26, 2026, 20:10:52 UTC
10 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
M3.4176 km WSW of Yakutat, AlaskaBeforeM3.1286 km SW of Yakutat, AlaskaBeforeM2.315 km SSW of Fox River, AlaskaBeforeM2.457 km WNW of Akhiok, AlaskaBeforeM2.321 km SSE of Karluk, AlaskaBeforeM2.7188 km SSE of Old Harbor, AlaskaBeforeM2.349 km W of Nanwalek, AlaskaBeforeM2.237 km WNW of Anchor Point, AlaskaAfterM2.127 km SSE of Karluk, AlaskaAfterM2.8247 km ESE of Chiniak, AlaskaAfterM2.36 km NNE of Nikolaevsk, AlaskaAfterM2.485 km W of Akhiok, AlaskaAfter
Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- USGSM 3.3
us7000ttbv
- Depth:
- 10 km
- Time:
- Updated:
- Oct 27, 2026, 04:57 AM UTC
Technical Details
Depth10 km
Significance168
Latitude56.0636
Longitude-148.8246
Event IDus7000ttbv
Magnitude3.3
Updated:Oct 27, 2026, 04:57:38 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 27, 2026, 04:57 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).