QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0004cza
USGS usp0004cza

5 Aug 1990, 04:36

43 km E of ?arai, Japan

A magnitude 6.1 mw earthquake at 26.6 km depth.

Depth26.6 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated28 April 2022Latest timestamp stored in this record

Published location

Where is 43 km E of ?arai, 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.

36.310000, 141.072000

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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 6.1

14 km WSW of Matsumoto, Japan

M 6.1

107 km ESE of Takahagi, Japan

M 6.1

83 km ENE of Hasaki, Japan

M 6.1

50 km E of ?arai, Japan

M 6.1

17 km NE of ?hara, Japan

M 6.1

119 km ESE of Namie, Japan

Catalog fields and provenance
Event ID
usp0004cza
Coordinates
36.31, 141.072
Network
us
Significance
572