QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usc000ttbc
USGS usc000ttbc
26 Feb 2015, 06:26
63 km ESE of Pangai, Tonga
A magnitude 5.4 mwb earthquake at 8.7 km depth.
Published location
Where is 63 km ESE of Pangai, 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.
-19.982100, -173.774600
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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
usc000ttbc
Coordinates
-19.9821, -173.7746
Network
us
Significance
449