QQuakeFacts
USGS us700048ea

18 Jun 2019, 18:26

137 km E of ‘Ohonua, Tonga

A magnitude 5 mb earthquake at 10 km depth.

Depth10 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated11 September 2019Latest timestamp stored in this record

Published location

Where is 137 km E 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.

-21.450700, -173.630900

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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
us700048ea
Coordinates
-21.4507, -173.6309
Network
us
Significance
385