Minor Earthquake ● Closed

M3.4 Earthquake — 215 km WSW of Adak, Alaska

Event time: Last updated: Aug 22, 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 3.4 earthquake 215 km WSW of Adak, Alaska at a depth of 73.6 km, recorded by the U.S. Geological Survey.

Measurements

MagnitudeM3.4
Depth73.6 km
Coordinates51.4680, -179.6760
Region215 km WSW of Adak, Alaska
Tsunami Flag0

Measured by

Earthquake data courtesy of the U.S. Geological Survey

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. US Geological Survey does not publish a severity for this; the level shown is our own classification.

View original report

This event as JSON · API and licence

Source updated 67 days ago (Aug 13, 2026 20:23 UTC) · we last heard from US Geological Survey 49 seconds ago

On a slow connection? Low-bandwidth version — no map, no scripts, under 14 KB.

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.

Open Earthquake Safety Guide →

Nearby & related events

Great Sitkin — Volcano Alert Level WATCH Severe Volcanic Activity United States active via USGS_VOLCANO 1 hr ago M2.5 Earthquake — 128 km W of Adak, Alaska Minor Earthquake active via USGS 1 day ago M2.5 Earthquake — 71 km SE of Adak, Alaska Minor Earthquake active via USGS 1 day ago M4.0 Earthquake — 92 km SSE of Adak, Alaska Minor Earthquake monitoring via USGS 2 days ago M3.9 Earthquake — 107 km SSE of Adak, Alaska Minor Earthquake monitoring via USGS 2 days 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.