QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0000px4
USGS usp0000px4
29 Jul 1977, 12:15
143 km W of Gizo, Solomon Islands
A magnitude 7.2 ms earthquake at 33 km depth.
Published location
Where is 143 km W of Gizo, Solomon Islands?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
-8.031000, 155.538000
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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
usp0000px4
Coordinates
-8.031, 155.538
Network
us
Significance
798