QQuakeFacts
USGS usp000hvyt

11 Mar 2011, 16:11

130 km E of Yamada, Japan

A magnitude 5.5 mb earthquake at 35 km depth.

Depth35 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated8 April 2022Latest timestamp stored in this record

Published location

Where is 130 km E of Yamada, 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.

39.464000, 143.465000

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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
usp000hvyt
Coordinates
39.464, 143.465
Network
us
Significance
465