QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000h093
USGS usp000h093
12 Aug 2009, 23:48
244 km SSE of Tateyama, Japan
A magnitude 6.6 mwc earthquake at 53 km depth.
Published location
Where is 244 km SSE of Tateyama, 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.
32.821000, 140.395000
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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
usp000h093
Coordinates
32.821, 140.395
Network
us
Significance
703