QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usb000fx1s
USGS usb000fx1s
31 Mar 2013, 18:08
Pacific-Antarctic Ridge
A magnitude 5.6 mwb earthquake at 10 km depth.
Published location
Where is Pacific-Antarctic Ridge?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
-65.552000, -177.804000
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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.
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Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
usb000fx1s
Coordinates
-65.552, -177.804
Network
us
Significance
482