QQuakeFacts
USGS usp000hx2s

14 Mar 2011, 04:57

232 km E of Iwaki, Japan

A magnitude 5 mb earthquake at 16.9 km depth.

Depth16.9 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated7 November 2014Latest timestamp stored in this record

Published location

Where is 232 km E of Iwaki, 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.

36.743000, 143.463000

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
usp000hx2s
Coordinates
36.743, 143.463
Network
us
Significance
385