Volcanic Hazards

____________ is a dense, destructive mass of very hot ash, lava fragments, and gases ejected explosively from a volcano and typically flowing down slope at great speed.

What are the different types of pyroclastic flow?

• Soufriere

• Pele

• Merapi

• Lapili

• Pelee

___________ is a hot mixtures of fresh lava, gas, rock, pumice, and ash that moves down the sides of a volcanic crater at high speeds during an eruption. It is considered as the most harmful hazard in a volcanic eruption.

Write one effect of pyroclastic flow.

_______falls refers to volcanic rock and lava materials that are ejected into the air by explosions or carried upward by the eruption column’s hot gases or lava fountains.

Ash and Lapili is a type of ________.

Choose all the types of lapili.

• Pele's tears

• Pele's hair

• Pele's eyes

• Scoria

• Pumice

It refers to the rocks that an erupting volcano may hurl into the air. These blocks and bombs travel like cannonballs and usually land within 2km of the vent.

• Tephra Falls

• Ballistic Projectiles

• Lahar

• Volcanic Debris Avalanche

Summarize the story of Omayra Sanchez.

A _____is a process where in wet cement-like mixture of volcanic material and water flows down the slopes of a volcano.