QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us20009x5d
USGS us20009x5d
18 Jul 2017, 00:57
140 km WNW of Attu Station, Alaska
A magnitude 5.2 mb earthquake at 26.1 km depth.
Published location
Where is 140 km WNW of Attu Station, 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.
53.448200, 171.342600
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
us20009x5d
Coordinates
53.4482, 171.3426
Network
us
Significance
416