QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us100088fc
USGS us100088fc
11 Mar 2017, 18:48
30 km SSE of Makurazaki, Japan
A magnitude 5.3 mww earthquake at 138.3 km depth.
Published location
Where is 30 km SSE of Makurazaki, 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.
30.997300, 130.386600
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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
us100088fc
Coordinates
30.9973, 130.3866
Network
us
Significance
433