QQuakeFacts
USGS usc000teem

10 Jan 2015, 03:14

87 km E of Hihifo, Tonga

A magnitude 5.1 mb earthquake at 36.5 km depth.

Depth36.5 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated22 December 2025Latest timestamp stored in this record

Published location

Where is 87 km E 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.

-15.870900, -172.985500

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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
usc000teem
Coordinates
-15.8709, -172.9855
Network
us
Significance
400