QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000j0km
USGS usp000j0km
26 Apr 2011, 02:28
299 km WSW of Adak, Alaska
A magnitude 5.4 mwc earthquake at 48.4 km depth.
Published location
Where is 299 km WSW 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.
51.254000, 179.159000
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
usp000j0km
Coordinates
51.254, 179.159
Network
us
Significance
449