QQuakeFacts
USGS usp000hzq9

11 Apr 2011, 09:16

14 km SSE of Marumori, Japan

A magnitude 5.8 mb earthquake at 10 km depth.

Depth10 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated21 September 2020Latest timestamp stored in this record

Published location

Where is 14 km SSE of Marumori, 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.

37.791000, 140.812000

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
usp000hzq9
Coordinates
37.791, 140.812
Network
us
Significance
518