QQuakeFacts
USGS usp000hw12

11 Mar 2011, 18:45

56 km ENE of Kashima-shi, Japan

A magnitude 5.1 mb earthquake at 16.2 km depth.

Depth16.2 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated7 November 2014Latest timestamp stored in this record

Published location

Where is 56 km ENE of Kashima-shi, 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.

36.129000, 141.241000

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
usp000hw12
Coordinates
36.129, 141.241
Network
us
Significance
400