QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000ecfv
USGS usp000ecfv
19 Mar 2006, 12:54
87 km S of Hihifo, Tonga
A magnitude 5 mwc earthquake at 29.9 km depth.
Published location
Where is 87 km S 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.
-16.729000, -173.655000
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
usp000ecfv
Coordinates
-16.729, -173.655
Network
us
Significance
385