Volcano Live

Volcanoes can injure people in a variety of ways. During the past 100 years, volcanic eruptions have been less destructive than winds, floods, and earthquakes. Volcanoes are the most destructive force on earth, but fortunately the largest eruptions are not common.

Mechanical Effects  
Lahars, avalanches, ballistic ejecta, tephra falls, earthquakes. 

Chemical
Gases and aerosols.
Sulfur dioxide, hydrogen chloride, hydrogen fluoride, hydrogen sulfide, hydrochloric acid, sulfuric acid, ammonium sulfate.

Electrical
Lightning.

Ionising Radiation
Radon gas.

Asphyxiation
Carbon dioxide, pyroclastic flows and surges.

Thermal
Pyroclastic flows and surges, ballistic ejecta, lava flows.