QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usb000iycm
USGS usb000iycm
8 Aug 2013, 05:57
166 km NW of Haveluloto, Tonga
A magnitude 5 mb earthquake at 252 km depth.
Published location
Where is 166 km NW 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.
-20.233800, -176.481700
Open the interactive map ↗Map data © OpenStreetMap contributors
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.
Continue exploring
Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
usb000iycm
Coordinates
-20.2338, -176.4817
Network
us
Significance
385