QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem912998
USGS iscgem912998
31 Oct 1919, 15:36
38 km S of Driefontein, South Africa
A magnitude 6.3 mw earthquake at 15 km depth.
Published location
Where is 38 km S of Driefontein, South Africa?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
-27.359000, 30.521000
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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.
Need a current safety answer?
Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
Catalog fields and provenance
Event ID
iscgem912998
Coordinates
-27.359, 30.521
Network
iscgem
Significance
609