Skip to content

USGS iscgem911598

2 Sept 1923, 10:26

9 km SSE of Mobara, Japan

A magnitude 6.7 mw earthquake at 35 km depth.

Depth35 kmPublished hypocentral depth

Tsunami flagNot flaggedUSGS catalog flag, not a current warning

Updated25 April 2022Latest timestamp stored in this record

Published location

Where is 9 km SSE of Mobara, 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.

35.352000, 140.355000

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

60 km ESE of Takahagi, Japan

136 km SSE of Katsuura, Japan

96 km ENE of Hasaki, Japan

143 km SE of Katsuura, Japan

71 km E of Namie, Japan

62 km E of Iwaki, Japan

Catalog fields and provenance

Event ID

iscgem911598

Coordinates

35.352, 140.355

Network

iscgem

Significance

684