QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us10008qyg
USGS us10008qyg

9 May 2017, 20:15

104 km N of Hirara, Japan

A magnitude 5.1 mww earthquake at 116.8 km depth.

Depth116.8 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated22 December 2025Latest timestamp stored in this record

Published location

Where is 104 km N of Hirara, 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.

25.736900, 125.129600

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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 5.1

16 km S of Yonakuni, Japan

M 5.1

southwestern Ryukyu Islands, Japan

M 5.1

48 km NW of Yonakuni, Japan

M 5.1

30 km N of Hirara, Japan

M 5.1

44 km SSW of Yonakuni, Japan

M 5.1

7 km NE of Hirara, Japan

Catalog fields and provenance
Event ID
us10008qyg
Coordinates
25.7369, 125.1296
Network
us
Significance
400