QQuakeFacts
USGS us6000r02g

12 Aug 2025, 10:11

82 km S of Akkeshi, Japan

A magnitude 5.4 mww earthquake at 35 km depth.

Depth35 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated25 October 2025Latest timestamp stored in this record

Published location

Where is 82 km S of Akkeshi, 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.

42.297200, 144.789300

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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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Catalog fields and provenance
Event ID
us6000r02g
Coordinates
42.2972, 144.7893
Network
us
Significance
450