QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgemsup16958078
USGS iscgemsup16958078
31 Mar 1910, 18:23
Drake Passage
A magnitude 7.1 mw earthquake at 10 km depth.
Published location
Where is Drake Passage?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
-58.317000, -65.477000
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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
iscgemsup16958078
Coordinates
-58.317, -65.477
Network
iscgemsup
Significance
778