QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000h0gm
USGS usp000h0gm

17 Aug 2009, 01:05

114 km SW of Ishigaki, Japan

A magnitude 6.7 mwc earthquake at 20 km depth.

Depth20 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated15 July 2022Latest timestamp stored in this record

Published location

Where is 114 km SW 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.

23.501000, 123.499000

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Map data © OpenStreetMap contributors

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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Nearby events with a similar magnitude

M 6.7

31 km WNW of Yonakuni, Japan

M 6.67

178 km SSE of Ishigaki, Japan

M 6.75

59 km NE of Hirara, Japan

M 6.65

123 km NW of Ishikawa, Japan

M 6.77

92 km NNE of Hirara, Japan

M 6.61

40 km ESE of Yonakuni, Japan

Catalog fields and provenance
Event ID
usp000h0gm
Coordinates
23.501, 123.499
Network
us
Significance
704