QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000gvga
USGS usp000gvga
28 Mar 2009, 05:07
223 km S of ‘Ohonua, Tonga
A magnitude 5 mb earthquake at 57.5 km depth.
Published location
Where is 223 km S of ‘Ohonua, 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.
-23.351000, -174.901000
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
usp000gvga
Coordinates
-23.351, -174.901
Network
us
Significance
385