QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us2000a4hf
USGS us2000a4hf
4 Aug 2017, 12:19
62 km WNW of Ishigaki, Japan
A magnitude 5.1 mww earthquake at 59.8 km depth.
Published location
Where is 62 km WNW of Ishigaki, Japan?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
24.607600, 123.615800
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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
us2000a4hf
Coordinates
24.6076, 123.6158
Network
us
Significance
401