Lahars+and+Pyroclastic+Flows

Lahars are volcanic mudflow. In 1985 a lahar from Nevado del Ruiz killed 25,000 in Columbia. media type="youtube" key="N_cyG2dJPpc?fs=1" height="316" width="579" align="center"﻿ ﻿ ﻿ Pyroclastic Flows are super hot gases flowing down the volcano up to 200 mph. media type="youtube" key="WxlRpuTed6g?fs=1" height="385" width="480" align="center"