QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem884702
USGS iscgem884702
10 Jul 1958, 07:15
22 km W of Elfin Cove, Alaska
A magnitude 7.8 mw earthquake at 10 km depth.
Published location
Where is 22 km W of Elfin Cove, 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.
58.230000, -136.712000
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
iscgem884702
Coordinates
58.23, -136.712
Network
iscgem
Significance
936