First published 9/23/2026, 7:55:15 PM · Last updated 9/23/2026, 7:55:15 PM

JMA issues heavy rain advisories; warns of landslide risk for southern Izu Islands

Japan Meteorological Agency (Tokyo) issued heavy rain advisories (大雨注意報) including for the southern Izu Islands (伊豆諸島南部) and Miyakejima (三宅島). The advisory text explicitly states: “伊豆諸島南部では、土砂災害に注意してください。” Several advisories were listed as lifted for northern Izu Islands, Oshima, Niijima, Oshima-machi, and Toshima-mura. (Published 2026-09-23T19:18:00Z.)

Categories: severe-weather-and-natural-disasters

Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence: 8/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 3/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 2/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 3/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Positivity: 2/10How harmful or beneficial the event is, from strongly harmful (1) to strongly positive (10).
Urgency: 6/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Why it matters

The JMA advisory specifically warns of landslide risk for the southern Izu Islands, indicating elevated hazard for that named area according to the supplied source text.

Location

Sources

気象特別警報・警報・注意報

Report an issue