QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000htbk
USGS usp000htbk
19 Jan 2011, 04:59
127 km WSW of Adak, Alaska
A magnitude 5.3 mwc earthquake at 50.7 km depth.
Published location
Where is 127 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.
51.382000, -178.292000
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
usp000htbk
Coordinates
51.382, -178.292
Network
us
Significance
432