QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us1000gaqf
USGS us1000gaqf
16 Aug 2018, 19:21
Volcano Islands, Japan region
A magnitude 5.8 mwb earthquake at 11.2 km depth.
Published location
Where is Volcano Islands, Japan region?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
23.352400, 143.395200
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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
us1000gaqf
Coordinates
23.3524, 143.3952
Network
us
Significance
518