3.1
Earthquake Details: 129 km E of McCarthy, Alaska, Canada
Oct 21, 2026, 21:22:56
- Depth
- 4.29 km
- Felt reports
- No data
Source: USGSUpdated: Oct 22, 2026, 08:53 PM UTC
A magnitude 3.1 earthquake occurred on Oct 21, 2026 at 21:22:56. Epicenter: 129 km E of McCarthy, Alaska, Canada. Reported depth: 4.29 km.
Tsunami information
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Time & depth
- Local time
- Oct 21, 2026, 14:22:56 GMT-7
- UTC
- Oct 21, 2026, 21:22:56 UTC
4.29 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
M2.337 km SSW of Dry Creek, AlaskaBeforeM2.839 km S of Tolsona, AlaskaBeforeM2.831 km SW of Chenega, AlaskaBeforeM2.427 km NE of Valdez, AlaskaBeforeM2.424 km ESE of Nabesna, AlaskaBeforeM2.334 km SSE of Eureka Roadhouse, AlaskaBeforeM2.951 km N of Sutton-Alpine, AlaskaAfterM2.359 km S of Alcan Border, AlaskaAfterM2.47 km WSW of Sunrise, AlaskaAfterM3.168 km SE of Yakutat, AlaskaAfterM3.4176 km WSW of Yakutat, AlaskaAfterM3.1286 km SW of Yakutat, AlaskaAfter
Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- USGSM 3.1
us6000u3yf
- Depth:
- 4.29 km
- Time:
- Updated:
- Oct 22, 2026, 08:53 PM UTC
Technical Details
Depth4.29 km
Significance148
Latitude61.4767
Longitude-140.4957
Event IDus6000u3yf
Magnitude3.1
Updated:Oct 22, 2026, 20:53:25 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 22, 2026, 20:53 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).