Moderate Earthquake ● Closed
M5.0 Earthquake — 94 km SSE of Adak, Alaska
Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.
Magnitude 5.0 earthquake 94 km SSE of Adak, Alaska at a depth of 10.0 km, recorded by the U.S. Geological Survey.
Measurements
| Magnitude | M5.0 |
|---|---|
| Depth | 10.0 km |
| Coordinates | 51.1015, -176.0652 |
| Region | 94 km SSE of Adak, Alaska |
| Tsunami Flag | 0 |
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 reportAlso reported by: EMSC
This event as JSON · API and licence
Source updated 87 days ago (Jul 24, 2026 19:13 UTC) · we last heard from US Geological Survey 50 seconds ago
On a slow connection? Low-bandwidth version — no map, no scripts, under 14 KB.
What USGS has published since this earthquake
Aftershock forecast
USGS gives less than a 1% chance of at least one aftershock of magnitude 5 or larger in the week to 23 Oct 2026, less than a 1% chance of magnitude 6 or larger, and less than a 1% chance of magnitude 7 or larger.
USGS puts less than a 1% chance on an earthquake larger than this magnitude 5.1 following in the week to 23 Oct 2026.
| Chance of at least one aftershock in | M5+ | M6+ | M7+ |
|---|---|---|---|
| the week to 23 Oct 2026 | <1% | <1% | <1% |
| the month to 15 Nov 2026 | <1% | <1% | <1% |
| the year to 16 Oct 2027 | <1% | <1% | <1% |
USGS forecast issued 16 Oct 2026 01:03 UTC, generated automatically. A forecast gives chances, not times: it cannot say when or where an aftershock will strike.
From the U.S. Geological Survey. The USGS event page has the maps and everything USGS has published for this earthquake.
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
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.