QQuakeFacts
USGS us1000363d

30 Aug 2015, 06:30

64 km S of Yudomari, Japan

A magnitude 5.1 mb earthquake at 29.7 km depth.

Depth29.7 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated22 December 2025Latest timestamp stored in this record

Published location

Where is 64 km S of Yudomari, 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.

29.658300, 130.379400

Open the interactive map ↗

What the numbers mean

Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.

Need a current safety answer?

Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.

Open the USGS event →

Continue exploring

Nearby events with a similar magnitude

Catalog fields and provenance
Event ID
us1000363d
Coordinates
29.6583, 130.3794
Network
us
Significance
400