QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us7000e4nd
USGS us7000e4nd
20 May 2021, 07:24
111 km ENE of ‘Ohonua, Tonga
A magnitude 5 mww earthquake at 10 km depth.
Published location
Where is 111 km ENE 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.
-21.032900, -173.924500
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
us7000e4nd
Coordinates
-21.0329, -173.9245
Network
us
Significance
385