Question: what kinds of hazards are associated with volcanic eruptions?
Answer: Lava. Lava (molten rock) can erupt as fire fountains or lava flows (when it is runny) or as steep-sided domes (when it is viscous). ... 
Pyroclastic flows. ... 
Phreatic explosions. ... 
Lahars. ... 
Jökulhlaups. ... 
Landslides. ... 
Volcanic earthquakes. ... 
Tsunamis.