QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/gcmtc200907190716a
USGS gcmtc200907190716a
19 Jul 2009, 08:16
135 km NE of Hihifo, Tonga
A magnitude 5.2 mwc earthquake at 10 km depth.
Published location
Where is 135 km NE 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.
-15.000000, -173.000000
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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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Catalog fields and provenance
Event ID
gcmtc200907190716a
Coordinates
-15, -173
Network
gcmt
Significance
416