🏙️ Kagoshima
Japan · Population 595,049 · Elevation 4 m · Airport KOJ
Volcanic Risk Profile
Kagoshima sits directly across Kinkō Bay from Sakurajima, just 9 km from the active vent. Residents typically receive ash fall on 100+ days per year, with the JMA broadcasting eruption alerts to mobile phones within seconds of larger explosions. Ash sweepers operate daily on major roads; designated yellow plastic ash bags ("kabaihai-bukuro") are collected curbside by the city.
Nearby Active Volcanoes
Distance from city center to Sakurajima crater: 10 km (great-circle).
Notable Eruptions Affecting Kagoshima
Taisho eruption — lava flows joined Sakurajima island to the mainland; 35 km³ of material; 58 deaths.
Record 1,097 explosive events in one year; ash plume reached 5,000 m on Aug 18.
Level-5 evacuation warning issued July 24 (first ever for Sakurajima).
Evacuation & Civil Protection
Health & Air Quality
Current Conditions
View real-time volcanic ash levels for Kagoshima on the interactive 3D map.
Check Live Volcash Score →Activity Safety Thresholds
Volcash score limits beyond which each activity is no longer recommended for Kagoshima residents:
3–5× breathing volume
High respiratory load
Mountain ash accumulation
Higher intake per body weight
Visibility-limited
Walking, shopping, commuting