QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us2000hfp0
USGS us2000hfp0

17 Sept 2018, 03:32

Ryukyu Islands, Japan

A magnitude 5 mb earthquake at 10 km depth.

Depth10 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated27 November 2018Latest timestamp stored in this record

Published location

Where is Ryukyu Islands, 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.

26.709500, 129.701300

Open the interactive map ↗

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.

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

M 5

89 km SE of Itoman, Japan

M 5

64 km ESE of Katsuren-haebaru, Japan

M 5

111 km S of Naze, Japan

M 5

133 km SSE of Naze, Japan

M 5

Ryukyu Islands, Japan

M 5

155 km E of Nago, Japan

Catalog fields and provenance
Event ID
us2000hfp0
Coordinates
26.7095, 129.7013
Network
us
Significance
385