QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000cqyb
USGS usp000cqyb

26 Mar 2004, 16:26

129 km S of Kushiro, Japan

A magnitude 5 mwc earthquake at 12.8 km depth.

Depth12.8 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 129 km S of Kushiro, 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.

41.810000, 144.303000

Open the interactive map ↗

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.

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

M 5

132 km ENE of Miyako, Japan

M 5

133 km ENE of Miyako, Japan

M 5

144 km ENE of Hachinohe, Japan

M 5

138 km SE of Ishinomaki, Japan

M 5

141 km ENE of Hachinohe, Japan

M 5

73 km SSE of Obihiro, Japan

Catalog fields and provenance
Event ID
usp000cqyb
Coordinates
41.81, 144.303
Network
us
Significance
385