QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem908250
USGS iscgem908250
4 Aug 1929, 23:16
southern East Pacific Rise
A magnitude 6 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.
-56.452000, -122.938000
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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
iscgem908250
Coordinates
-56.452, -122.938
Network
iscgem
Significance
556