QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000hmc0
USGS usp000hmc0
29 Sept 2010, 19:49
168 km ENE of Hihifo, Tonga
A magnitude 5.4 mb earthquake at 35 km depth.
Published location
Where is 168 km ENE of Hihifo, 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.
-15.600000, -172.267000
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
usp000hmc0
Coordinates
-15.6, -172.267
Network
us
Significance
459