QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us1000hzu1
USGS us1000hzu1
1 Dec 2018, 18:24
138 km ESE of Neiafu, Tonga
A magnitude 5 mb earthquake at 10 km depth.
Published location
Where is 138 km ESE 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.
-19.194900, -172.804000
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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
us1000hzu1
Coordinates
-19.1949, -172.804
Network
us
Significance
385