QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem903253
USGS iscgem903253
17 Sept 1937, 10:30
South Sandwich Islands region
A magnitude 6.5 mw earthquake at 10 km depth.
Published location
Where is South Sandwich Islands region?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
-56.480000, -24.612000
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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
iscgem903253
Coordinates
-56.48, -24.612
Network
iscgem
Significance
646