QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000jm1x
USGS usp000jm1x

28 May 2012, 17:36

3 km W of Honch?, Japan

A magnitude 5.1 mb earthquake at 66.2 km depth.

Depth66.2 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated3 May 2022Latest timestamp stored in this record

Published location

Where is 3 km W of Honch?, 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.

35.707000, 139.950000

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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

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M 5.1

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M 5.1

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M 5.1

71 km SSE of Shimoda, Japan

Catalog fields and provenance
Event ID
usp000jm1x
Coordinates
35.707, 139.95
Network
us
Significance
485