QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/official19150328185600000
USGS official19150328185600000
28 Mar 1915, 18:56
Kaoiki area, Hawaii
A magnitude 6.4 ml earthquake at 0 km depth.
Published location
Where is Kaoiki area, Hawaii?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
19.430000, -155.400000
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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
official19150328185600000
Coordinates
19.43, -155.4
Network
official
Significance
630