Pyroclastic flows are the most infamously deadly feature of volcanic eruptions. Lava may melt you, geothermal lakes may broil you, ash may choke you and bombs may shoot through you, but pyroclastic ...

Memorial services were held to commemorate the catastrophic 1991 eruption and pyroclastic flow at Mount Unzen's Fugen peak that killed 43 people, including volunteer firefighters, to keep lessons of ...