QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us2000298l
USGS us2000298l

25 Apr 2015, 21:01

74 km SW of Yonakuni, Japan

A magnitude 5.1 mwr earthquake at 22.8 km depth.

Depth22.8 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated22 December 2025Latest timestamp stored in this record

Published location

Where is 74 km SW of Yonakuni, 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.

23.943600, 122.536800

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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
us2000298l
Coordinates
23.9436, 122.5368
Network
us
Significance
405