Minor Earthquake ● Closed

M4.2 Earthquake — Central Alaska

Event time: Last updated: Oct 8, 2026
Icon = what happened · ring colour = how serious: Extreme Severe Moderate Minor

Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.

Magnitude 4.2 earthquake in Central Alaska, reported by EMSC.

Measurements

MagnitudeM4.2
Depth10.8 km
Coordinates63.4428, -151.5530
RegionCentral Alaska

Measured by

Earthquake data courtesy of EMSC

This is a scientific measurement of an event that has already happened. It is not a warning, and it does not tell you what to do.

Not rated by source. European-Mediterranean Seismological Centre does not publish a severity for this; the level shown is our own classification.

View original report

Also reported by: USGS

This event as JSON · API and licence

Source updated 20 days ago (Sep 29, 2026 06:43 UTC) · we last heard from European-Mediterranean Seismological Centre 13 seconds ago

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What has changed

  • Magnitude revised from M4.1 to M4.2 — Sep 28, 14:59 UTC by European-Mediterranean Seismological Centre

Figures published in the first minutes of an event are preliminary. A change here is the agency refining its own estimate, not a correction to this page.

General safety information

No authority has issued instructions for this event. The guidance below is general background reading, not a response to it.

Drop, Cover, and Hold On — what to do before, during and after an earthquake, plus emergency kit and family plan checklists.

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Nearby & related events

M2.8 Earthquake — 64 km N of Petersville, Alaska Minor Earthquake active via USGS 5 min ago M3.1 Earthquake — 43 km N of Petersville, Alaska Minor Earthquake active via USGS 26 min ago M2.7 Earthquake — 13 km SW of Manley Hot Springs, Alaska Minor Earthquake active via USGS 2 hr ago M3.5 Earthquake — 52 km E of Pedro Bay, Alaska Minor Earthquake active via USGS 15 hr ago M2.5 Earthquake — 70 km E of Port Alsworth, Alaska Minor Earthquake active via USGS 1 day ago

Disclaimer: figures are automatic feeds from the named agencies and may be revised. Do not use this page for life-safety decisions — follow official local emergency services.