QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usb000h7ks
USGS usb000h7ks
28 May 2013, 20:24
114 km SSE of Katsuura, Japan
A magnitude 5 mb earthquake at 30 km depth.
Published location
Where is 114 km SSE of Katsuura, 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.
34.173000, 140.745000
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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
usb000h7ks
Coordinates
34.173, 140.745
Network
us
Significance
385