QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000jsmn
USGS usp000jsmn

20 Sept 2012, 19:32

120 km E of Miyako, Japan

A magnitude 5.1 mb earthquake at 37.7 km depth.

Depth37.7 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated7 November 2014Latest timestamp stored in this record

Published location

Where is 120 km E of Miyako, 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.

39.607000, 143.344000

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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

159 km S of Kushiro, Japan

M 5.1

111 km ENE of Misawa, Japan

M 5.1

45 km ENE of Shizunai-furukawach?, Japan

M 5.1

144 km ENE of Hachinohe, Japan

M 5.1

101 km SSE of Kushiro, Japan

M 5.1

117 km SSE of Kushiro, Japan

Catalog fields and provenance
Event ID
usp000jsmn
Coordinates
39.607, 143.344
Network
us
Significance
400