QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usb000je9l
USGS usb000je9l
31 Aug 2013, 07:43
109 km ESE of Adak, Alaska
A magnitude 5.5 mwc earthquake at 25.2 km depth.
Published location
Where is 109 km ESE of Adak, Alaska?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
51.367400, -175.284700
Open the interactive map ↗Map data © OpenStreetMap contributors
What the numbers mean
Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.
Need a current safety answer?
Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
Continue exploring
Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
usb000je9l
Coordinates
51.3674, -175.2847
Network
us
Significance
465