Vocabulary
What is volcanic fog called?
What is vog
What is the location in the Pacific Ocean where volcanoes occur called?
What is the Ring of Fire
How does a strike-slip fault occur?
What is rocks move horizontally past each other.
The beginning part of an earthquake is called its what?
Breaks in earth's surface along which rock can move is called what?
What is a fault
What can measure an earthquake's magnitude?
What is the Richter Scale
What are fast moving waves that occur beneath the surface of earth called?
What are body waves
The _____ is the point on earth's surface directly above the focus of an earthquake.
What is the epicenter
What are slower destructive waves that occur on the surface if the earth called?
What are surface waves
An avalanche of red-hot dust and gases from a volcanic eruption is called what?
What is a pyroclastic flow
Which volcano has steep sides?
What is a composite cone volcano
What are the vibrations of energy that flow from the focus of an earthquake called?
What are seismic waves
What occurs in places where water is heated by hot magma?
What is a hot spring
How does a reverse fault occur?
What is rocks push together, forcing a section of rock upward.
The idea that the earth's crust is made up of moving plates is called what?
What is the Theory of Plate Tectonics
What is it called when part of a mountain collapses, causing mud and rock fragments to surge down the mountain.
What is a debris flow
How does a normal fault occur?
What is when rocks move apart
The strength of the seismic waves of an earthquake is called what?
What is its magnitude
Which volcano has gradually sloping sides... similar to a saucer
What is a shield volcano
What is located in the upper mantle and crust of the earth?
What is the lithosphere
What two things could cause a volcanic eruption?
What is a hot spot and heated magma rising to the surface.
What instrument detects, times, and measures the movement of the earth?
What is a seismograph
What are the 3 classifications of "how often a volcano erupts"?
What is active, dormant, and extinct
Which volcano has a bowl-like crater with only one main vent?
What is a cinder cone volcano