QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us7000f35k
USGS us7000f35k
13 Aug 2021, 21:12
South Sandwich Islands region
A magnitude 5.1 mb earthquake at 29.6 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.
-57.917500, -23.905300
Open the interactive map ↗Map data © OpenStreetMap contributors
What the numbers mean
Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.
Need a current safety answer?
Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
Continue exploring
Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
us7000f35k
Coordinates
-57.9175, -23.9053
Network
us
Significance
400