QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usc000kn76
USGS usc000kn76

25 Oct 2013, 18:57

off the east coast of Honshu, Japan

A magnitude 5.1 mb earthquake at 33.9 km depth.

Depth33.9 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated3 January 2014Latest timestamp stored in this record

Published location

Where is off the east coast of Honshu, 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.

37.234900, 144.700900

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Map data © OpenStreetMap contributors

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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Nearby events with a similar magnitude

M 5.1

166 km ESE of Iwaki, Japan

M 5.1

170 km ESE of Namie, Japan

M 5.1

262 km ESE of Ishinomaki, Japan

M 5.1

192 km E of Namie, Japan

M 5.1

146 km ESE of Namie, Japan

M 5.1

184 km ESE of Iwaki, Japan

Catalog fields and provenance
Event ID
usc000kn76
Coordinates
37.2349, 144.7009
Network
us
Significance
400