QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us1000ehmb
USGS us1000ehmb
3 Jun 2018, 01:48
Tonga
A magnitude 5.7 mww earthquake at 13 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.
-19.457400, -173.750900
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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
us1000ehmb
Coordinates
-19.4574, -173.7509
Network
us
Significance
500