JMA Japan

Tsunami situation after M6.0: Adjacent Sea of Yonagunijima Island

Information

The covered warning centres issued information statements only for this event, no tsunami warning.

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Key facts

Magnitude: M6.0
Depth: —
Event time: Sep 30, 2026, 5:00 AM UTC
First bulletin: Sep 30, 2026, 5:08 AM UTC
Latest bulletin: Sep 30, 2026, 5:08 AM UTC
Bulletins: 1

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Situation map

WarningAdvisoryWatchThreat messageInformationOfficial forecast and observation pointsTide gauge

Official alert areas are not modelled inundation zones. The source country identifies the earthquake, not necessarily an affected coastline. Historical events and monitoring stations can be toggled separately.

Arrival times at coastal locations

The warning centre published no arrival times for coastal locations for this bulletin.

Measured waves at tide gauges

Own analysis, not official

No tide gauge analysis is available for this event (only for stronger earthquakes or alert levels).

Bulletin timeline

Area reported by source

Adjacent Sea of Yonagunijima Island

Information JMA Japan
Sep 30, 2026, 5:08 AM UTC
Valid until: Sep 30, 2026, 11:08 AM UTC
Original authority text
Original source language; no automatic translation.
Tsunami Forecast · Adjacent Sea of Yonagunijima Island
津波予報
Official source ↗