QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us20002zif
USGS us20002zif

23 Jul 2015, 13:51

off the east coast of Honshu, Japan

A magnitude 5.1 mb earthquake at 35.6 km depth.

Depth35.6 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated22 October 2015Latest 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.

37.040700, 144.723500

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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
us20002zif
Coordinates
37.0407, 144.7235
Network
us
Significance
400