Minor Earthquake ● Closed

M4.0 Earthquake — Northern Alaska

Event time: Last updated: Sep 19, 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 4.0 earthquake in Northern Alaska, reported by EMSC.

Measurements

MagnitudeM4.0
Depth5.0 km
Coordinates65.2110, -166.7210
RegionNorthern 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 39 days ago (Sep 10, 2026 23:19 UTC) · we last heard from European-Mediterranean Seismological Centre 44 seconds ago

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What has changed

  • Magnitude revised from M4.1 to M4.0 — Sep 10, 23:08 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.

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Nearby & related events

M3.4 Earthquake — 50 km S of Shishmaref, Alaska Minor Earthquake active via USGS 1 day ago M2.8 Earthquake — 62 km NNE of White Mountain, Alaska Minor Earthquake closed via USGS Sep 8, 2026 M3.4 Earthquake — 79 km N of Elim, Alaska Minor Earthquake closed via USGS Aug 10, 2026 M2.7 Earthquake — 117 km E of Savoonga, Alaska Minor Earthquake closed via USGS Aug 5, 2026 M3.3 Earthquake — 45 km E of Savoonga, Alaska Minor Earthquake closed via USGS Aug 5, 2026

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.