QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us20008l37
USGS us20008l37
21 Feb 2017, 11:08
Southwest Indian Ridge
A magnitude 5.1 mb 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.
-29.063900, 61.197000
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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
us20008l37
Coordinates
-29.0639, 61.197
Network
us
Significance
400