Earthquakes
what are earthquakes
Molten rock below earth's surface
What is magma
what are gases
what is the epicenter
Earthquakes tend to occur along these boundaries
what are tectonic plate boundaries
Volcanoes often form near these types of plate boundaries
what are convergent and divergent
This product of a volcanic eruption is relatively slow moving and rarely deadly. Although they can cause damage to roads and homes.
what are lava flows
The location underground where rocks first move along a fault causing an earthquake
what is the focus
what are faults
Hawaii and Yellowstone volcanoes are examples of volcanoes that form at these locations
what are hot spots
Fast moving avalanches of hot gas, ash, and rock
what is pyroclastic flow
This scale is used to report the amount of ground motion during an earthquake
what is the Richter scale
The three types of seismic waves
what are primary, secondary, and surface
what are shield volcanoes
Sometimes a volcano's summit will collapse and form this bowl like structure that might eventually fill with water`
what is a caldera
Cooling lava or magma forms this type of rock
what is igneous rock
What is the New Madrid fault
Small steep-sided volcanoes that erupt gas rich lava
what are cinder cones
How quiet or explosive an eruption is depends on factors like the amount of this chemical in the magam
what is silica
This is an area of earthquake and volcanic activity that surrounds the Pacific Ocean
what is the ring of fire