3.4
Earthquake Details: 110 km SSW of Nikolski, Alaska
Oct 27, 2026, 18:41:48
- Depth
- 10.9 km
- Felt reports
- No data
Source: USGSUpdated: Oct 28, 2026, 12:55 AM UTC
A magnitude 3.4 earthquake occurred on Oct 27, 2026 at 18:41:48. Epicenter: 110 km SSW of Nikolski, Alaska. Reported depth: 10.9 km.
Status: Reviewed
Tsunami information
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Time & depth
- Local time
- Oct 27, 2026, 07:41:48 GMT-11
- UTC
- Oct 27, 2026, 18:41:48 UTC
10.9 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
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Nearby earthquakes · 12
M2.9157 km S of Unalaska, AlaskaAfterM3.3100 km E of Akutan, AlaskaAfterM5.0143 km S of False Pass, AlaskaAfterM3.07 km W of Dutch Harbor, AlaskaAfterM3.451 km SSW of Nikolski, AlaskaAfterM2.880 km SSE of Akutan, AlaskaAfterM3.4100 km SSW of Nikolski, AlaskaAfterM3.4184 km S of Atka, AlaskaAfterM4.5121 km SE of Atka, AlaskaAfterM4.5111 km ESE of Atka, AlaskaAfterM3.7183 km SW of Nikolski, AlaskaAfterM3.667 km SE of Adak, AlaskaAfter
Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- USGSml 3.4
aka2026vhrydq
- Depth:
- 10.9 km
- Status:
- Reviewed
- Time:
- Updated:
- Oct 28, 2026, 12:55 AM UTC
Technical Details
Depth10.9 km
Significance178
Latitude51.9730
Longitude-169.2300
Event IDaka2026vhrydq
Magnitude3.4
Updated:Oct 28, 2026, 00:55:55 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 28, 2026, 00:55 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).