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USGS usp0003enw

4 Apr 1988, 16:43

37 km SSE of Nishinoomote, Japan

A magnitude 6 mw earthquake at 39.3 km depth.

Depth39.3 kmPublished hypocentral depth

Tsunami flagNot flaggedUSGS catalog flag, not a current warning

Updated28 April 2022Latest timestamp stored in this record

Published location

Where is 37 km SSE of Nishinoomote, 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.

30.399000, 131.084000

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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

67 km WNW of Naze, Japan

86 km S of Yudomari, Japan

47 km SSE of Kushima, Japan

153 km N of Nago, Japan

145 km WSW of Naze, Japan

22 km S of Kushima, Japan

Catalog fields and provenance

Event ID

usp0003enw

Coordinates

30.399, 131.084

Network

us

Significance

554