QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us70007uuu
USGS us70007uuu
22 Feb 2020, 18:50
49 km S of ‘Ohonua, Tonga
A magnitude 5.3 mww earthquake at 17.5 km depth.
Published location
Where is 49 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.
-21.778400, -174.888500
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What the numbers mean
Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.
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Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
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Catalog fields and provenance
Event ID
us70007uuu
Coordinates
-21.7784, -174.8885
Network
us
Significance
432