QQuakeFacts
USGS usp000hxak

15 Mar 2011, 07:08

79 km E of Ishinomaki, Japan

A magnitude 5 mwc earthquake at 43.8 km depth.

Depth43.8 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated22 December 2025Latest timestamp stored in this record

Published location

Where is 79 km E of Ishinomaki, 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.

38.341000, 142.200000

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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
usp000hxak
Coordinates
38.341, 142.2
Network
us
Significance
385