Avalanches Volcanic Activity Asteroid Impacts Volcanic Eruptions Seismic Activity Geological Events Earthquake Risks Geological Hazards Tsunamis Landslides Water Safety Volcanic Ash Hydrothermal Features Riptides Weather Conditions Gas Leaks Severe Weather Storm Surge Hurricane Damage Tree Management Water Hazards Volcanoes Risk Mitigation Air Quality Sinkhole Formation Mine Subsidence Land Use Tsunami Warnings Mountain Terrain Avalanche Risks Fire Risks Ice Conditions Disaster Preparedness Weather Events Landslide Risk Tsunami Risks Seismic Risks Thermal Areas Radiation Storms Japanese Prefectures Ash Clouds River Safety Winter Landscape Weather Monitoring Flooding Anthropogenic Hazards Hydrothermal Activity Thermal Features Geothermal Activity Geothermal Features Water Bodies Earthquakes Secondary Hazards Earthquake Effects