QQuakeFacts
USGS usp000h7qu

26 Feb 2010, 20:31

70 km SE of Katsuren-haebaru, Japan

A magnitude 7 mwc earthquake at 25 km depth.

Depth25 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated16 July 2022Latest timestamp stored in this record

Published location

Where is 70 km SE of Katsuren-haebaru, 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.

25.930000, 128.425000

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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
usp000h7qu
Coordinates
25.93, 128.425
Network
us
Significance
1180