Japan Issues Level 5 Emergency Landslide Warning for Niijima Island Amid Record Rainfall and Severe Flooding in Nagoya

The Japan Meteorological Agency (JMA) issued its highest Level 5 Emergency Warning for Niijima Island on September 7, 2026, after a record 381 millimeters (15 inches) of rain fell within 24 hours. Additionally, Level 4 landslide alerts were issued for parts of Chiba, Saitama, neighboring Tokyo, and central Fukushima. Separately, Nagoya experienced severe flooding on September 8, 2026, with 104.5 millimeters of rain in one hour, leading to Level 5 emergency safety orders and widespread transportation disruptions. Residents in affected areas are urged to remain on high alert for landslides and other disasters.