QQuakeFacts
USGS usp000js9c

13 Sept 2012, 18:22

7 km ESE of Narita, Japan

A magnitude 5.2 mb earthquake at 35 km depth.

Depth35 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated3 October 2022Latest timestamp stored in this record

Published location

Where is 7 km ESE of Narita, 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.

35.752000, 140.388000

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What the numbers mean

Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.

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Catalog fields and provenance
Event ID
usp000js9c
Coordinates
35.752, 140.388
Network
us
Significance
482