QQuakeFacts
USGS usp000j4yw

15 Jul 2011, 13:01

5 km NE of Sakai, Japan

A magnitude 5.5 mwc earthquake at 88.7 km depth.

Depth88.7 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated6 September 2025Latest timestamp stored in this record

Published location

Where is 5 km NE of Sakai, 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.

36.128000, 139.850000

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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
usp000j4yw
Coordinates
36.128, 139.85
Network
us
Significance
563