QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us100043z2
USGS us100043z2
4 Dec 2015, 22:25
southeast Indian Ridge
A magnitude 7.1 mww earthquake at 35 km depth.
Published location
Where is southeast 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.
-47.616500, 85.091300
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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
us100043z2
Coordinates
-47.6165, 85.0913
Network
us
Significance
776