QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000h56q
USGS usp000h56q
19 Dec 2009, 16:52
128 km NE of Neiafu, Tonga
A magnitude 5.3 mwc earthquake at 10 km depth.
Published location
Where is 128 km NE of Neiafu, 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.
-17.766000, -173.195000
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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
usp000h56q
Coordinates
-17.766, -173.195
Network
us
Significance
432