QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us1000hw4l
USGS us1000hw4l
24 Nov 2018, 13:56
Southwest Indian Ridge
A magnitude 5.1 mww earthquake at 10 km depth.
Published location
Where is Southwest Indian Ridge?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
-33.815700, 56.199900
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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.
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Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
us1000hw4l
Coordinates
-33.8157, 56.1999
Network
us
Significance
400