QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem904285
USGS iscgem904285
16 May 1935, 21:41
southern East Pacific Rise
A magnitude 6.3 mw earthquake at 10 km depth.
Published location
Where is southern East Pacific Rise?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
-56.831000, -122.088000
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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.
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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
iscgem904285
Coordinates
-56.831, -122.088
Network
iscgem
Significance
613