QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us7000e3n1
USGS us7000e3n1
17 May 2021, 01:31
215 km WSW of Haveluloto, Tonga
A magnitude 5.1 mww earthquake at 237.6 km depth.
Published location
Where is 215 km WSW of Haveluloto, 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.
-21.616700, -177.230500
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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.
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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
us7000e3n1
Coordinates
-21.6167, -177.2305
Network
us
Significance
400