QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usb000fiqa
USGS usb000fiqa

11 Mar 2013, 09:34

15 km E of Nichinan, Japan

A magnitude 5.2 mb earthquake at 36.9 km depth.

Depth36.9 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated24 July 2022Latest timestamp stored in this record

Published location

Where is 15 km E of Nichinan, 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.

31.603000, 131.534000

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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.

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Nearby events with a similar magnitude

M 5.2

127 km SE of Koshima, Japan

M 5.2

53 km ESE of Naze, Japan

M 5.2

34 km SSE of Naze, Japan

M 5.2

51 km ESE of Koshima, Japan

M 5.2

11 km E of Nichinan, Japan

M 5.2

75 km NE of Naze, Japan

Catalog fields and provenance
Event ID
usb000fiqa
Coordinates
31.603, 131.534
Network
us
Significance
417