QuakeFactsEvidence report · prepared 3 September 2026https://quakes99.com/entity/us6000pznk
USGS us6000pznk
18 Mar 2025, 22:52
South Sandwich Islands region
A magnitude 5.6 mww earthquake at 36.8 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.
-55.378000, -28.905200
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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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Catalog fields and provenance
Event ID
us6000pznk
Coordinates
-55.378, -28.9052
Network
us
Significance
482