QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000jfgq
USGS usp000jfgq

27 Feb 2012, 16:29

83 km SW of Itoman, Japan

A magnitude 5 mb earthquake at 39 km depth.

Depth39 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated24 March 2015Latest timestamp stored in this record

Published location

Where is 83 km SW of Itoman, 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.

25.511000, 127.182000

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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

166 km ESE of Hirara, Japan

M 5

178 km N of Hirara, Japan

M 5

60 km S of Hirara, Japan

M 5

140 km NE of Hirara, Japan

M 5

51 km SSW of Yonakuni, Japan

M 5

188 km ESE of Hirara, Japan

Catalog fields and provenance
Event ID
usp000jfgq
Coordinates
25.511, 127.182
Network
us
Significance
386