Earthquakes and Volcanoes

• the shaking or trembling of earth's crust.

  earthquake
• the point where the sudden rupture of the rocks or plates takes place is called the focus or ___ of the earthquake

  hypocenter
• the point on Earth's surface directly above the focus is called the _________ of the earthquake

  epicenter
• the _________ gives a qualitative description of the severity of the shaking

  intensity
• the _________ of an earthquake is a quantitative measure of the size of the earthquake at its source

  magnitude
• a _________ is a vent in the Eart's crust. it can release Magma, Ash, and other Gases

  volcano