Data last collected:
QuakeFactsEvidence report · prepared 23 October 2026https://quakes99.com/entity/iscgem899934
USGS iscgem899934
21 Jul 1943, 06:14
southern East Pacific Rise
A magnitude 6 mw earthquake at 15 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.
-32.317000, -109.094000
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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
iscgem899934
Coordinates
-32.317, -109.094
Network
iscgem
Significance
561
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Questions this evidence can answer
01What exactly is this record?
Use the name, place, date and identifiers above to confirm that you have the right southern East Pacific Rise earthquake: magnitude 6 and depth | QuakeFacts record.
02What does the evidence establish?
Read the reported values with their units, coverage dates and source notes. Keep observed facts separate from estimates or interpretation.
03What should I verify next?
Follow the primary-source links and check the limitations before using this evidence for a decision, comparison or citation.
A closer look at southern East Pacific Rise
Depth in another unit
The recorded event depth of 15 km is approximately 9.32 miles below the source reference surface. Depth alone does not describe damage or local hazard.
Interpreting the recorded coordinates
The published position for southern East Pacific Rise is 32.317° south and 109.094° west. This expresses the source coordinates in hemispheres; it does not establish an entrance, public access or a safe route.