QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem903754
USGS iscgem903754
23 Jul 1936, 07:20
135 km SE of Pangai, Tonga
A magnitude 6 mw earthquake at 15 km depth.
Published location
Where is 135 km SE 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.
-20.829000, -173.624000
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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
iscgem903754
Coordinates
-20.829, -173.624
Network
iscgem
Significance
561