Vocabulary
The sudden sudden shifting of rocks along plate boundaries. (Usually)
What is an earthquake?
The beginning point of an earthquake.
What is the focus?
A volcano that has erupted before and may erupt again.
What is a dormant volcano?
This is the layer of Earth under the crust.
What is the mantle?
These volcanoes and fault lines form a ring around the Pacific Ocean.
What is the Ring of Fire?
This is a machine scientists use to record the strength of an earthquake?
What is a seismograph?
The vibrations of an earthquake?
What are seismic waves?
The bowl-like top to a volcano.
What is a crater?
This is the area that makes up the crust and the upper part of the mantle.
What is the lithosphere?
This supervolcano is located under a famous U.S. national park.
What is Yellowstone National Park?
This is the point on the surface directly above where an earthquake begins.
What is the epicenter?
A huge wave resulting from an earthquake, landslide, or volcano that occurs under or near the ocean.
What is a tsunami?
The least destructive type of volcano eruption.
What is a Hawaiian eruption?
This is the type of fault line where to plates pull apart from one another.
This Roman city was wiped away by Mount Vesuvius in 79 A.D.
What is Pompeii?
What is a hot spot?
This scale is used to measure the destruction caused by an earthquake.
What is the Mercalli scale?
This type of volcano is large, cone-shaped, and has symmetrical sides.
What is a composite cone volcano?
This is the supercontinent that most scientist believe all other continents used to make up.
What is Pangea?
This U.S. West coast city has suffered to major earthquakes in the past 125 year.
What is San Francisco?
A mixture of cinders, ash, and rock.
What is tephra?
An avalanche of extremely hot gases and dust.
What is a pyroclastic flow?
An eruption that flows through the side vents of a volcano.
What is a flank eruption?
This type of fault is where two plates are sliding against one another.
What is a strike-slip fault?
This volcano had an eruption so powerful it was heard from thousands of miles away?
What was Krakatoa?