USGSSeptember 11, 2026
M5.3 earthquake, 151 km WSW of Adak, Alaska
A magnitude 5.3 earthquake was recorded 151 km WSW of Adak, Alaska at a depth of 41 km, according to the U.S. Geological Survey. It was the 8,951st earthquake of magnitude 2.5 or more the USGS located in and near the U.S. in 2026, against 12,608 a year on average in 2016-2025.
M5.3
The notice
- Issued by
- U.S. Geological Survey
- Area
- 151 km WSW of Adak, Alaska
- State
- Alaska
- Magnitude
- 5.3 (body-wave magnitude)
- Depth
- 40.9 km
- Time
- 2026-09-11 10:47:12 UTC
- Status
- reviewed by a seismologist
- Tsunami
- the event carries the USGS tsunami flag: check the Tsunami Warning Centers
- Epicentre
- 51.213, -178.543
- Official source
- U.S. Geological Survey: the notice at its source
Warnings and earthquakes in AlaskaEarthquakes, September 2026
Source: U.S. Geological Survey: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.