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USGS usp0002tvn

11 May 1986, 02:24

215 km N of Hirara, Japan

A magnitude 6.6 mw earthquake at 193.5 km depth.

Depth193.5 kmPublished hypocentral depth

Tsunami flagNot flaggedUSGS catalog flag, not a current warning

Updated27 April 2022Latest timestamp stored in this record

Published location

Where is 215 km N of Hirara, 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.

26.743000, 125.205000

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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

184 km SE of Hualien City, Taiwan

177 km SE of Hirara, Japan

40 km ESE of Yonakuni, Japan

154 km S of Yonakuni, Japan

123 km NW of Ishikawa, Japan

178 km SSE of Ishigaki, Japan

Catalog fields and provenance

Event ID

usp0002tvn

Coordinates

26.743, 125.205

Network

us

Significance

670