QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgemsup913299
USGS iscgemsup913299
30 Sept 1918, 17:51
southeast of the Loyalty Islands
A magnitude 6.6 mw earthquake at 35 km depth.
Published location
Where is southeast of the Loyalty 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.
-23.953000, 171.521000
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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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Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
iscgemsup913299
Coordinates
-23.953, 171.521
Network
iscgemsup
Significance
660