QQuakeFacts
USGS usp000heww

4 Jul 2010, 22:55

37 km E of Miyako, Japan

A magnitude 6.3 mwc earthquake at 27 km depth.

Depth27 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated18 July 2022Latest timestamp stored in this record

Published location

Where is 37 km E of Miyako, 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.

39.697000, 142.369000

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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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Catalog fields and provenance
Event ID
usp000heww
Coordinates
39.697, 142.369
Network
us
Significance
631