Earth Science Unit 6 Vocabulary- Earthquakes and Volcanoes

Hot fluid within the Earth’s crust from which lava is formed on cooling

(a)  

A region deep within the Earth’s mantle from which heat rises through the process of convection

(a)  

A path along the Pacific Ocean characterized by active volcanoes and frequent earthquakes

(a)  

Cave-like structure that forms when hot flowing lava moves beneath hardened surface lava flow

(a)  

An opening in Earth that erupts gas, ash, and lava

(a)  

Vibrations produced by the breaking of rock along fault surfaces

(a)  

A crack in the Earth where sections of a plate (or two plates) are moving in different directions

(a)  

Measurement used to describe the strength of an earthquake based on the height of the lines on a seismogram

(a)  

Measurement of the amount of damage caused by an earthquake

(a)  

Series of giant waves that send surges of water on land

(a)