QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us1000g93h
USGS us1000g93h
14 Aug 2018, 19:13
South Sandwich Islands region
A magnitude 5.4 mb earthquake at 35 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.
-58.039100, -25.142500
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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
us1000g93h
Coordinates
-58.0391, -25.1425
Network
us
Significance
449