QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000a039
USGS usp000a039
11 Sept 2000, 18:17
Tonga
A magnitude 6.3 mwc earthquake at 115.4 km depth.
Published location
Where is Tonga?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
-15.877000, -173.691000
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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
usp000a039
Coordinates
-15.877, -173.691
Network
us
Significance
611