QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000hsuy
USGS usp000hsuy
10 Jan 2011, 02:11
178 km W of Pangai, Tonga
A magnitude 5.6 mwc earthquake at 228.9 km depth.
Published location
Where is 178 km W 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.
-19.553000, -176.032000
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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
usp000hsuy
Coordinates
-19.553, -176.032
Network
us
Significance
482