What are Earthquakes
Earthquakes & Society
Volcanic Eruptions
Volcanoes & The World
Miscellaneous
100
The study of earthquakes is called ........
What is seismology
100
An instrument used to record and study seismic activity
What is a seismograph
100
Magma underneath a volcano turns into this once it released in a volcanic eruption
What is lava
100
The most common type of volcano in the world
What is composite volcano
100
A break in the Earth's crust in which blocks of the crust slide past one another. The name of the biggest one near by is called San Andreas
What is fault
200
This type of plate motion typically has the strongest earthquakes on our planet
What is convergent plate boundaries
200
The point on the Earth's surface where an earthquake has started
What is an epicenter
200
An eruption that leads to the release of pyroclastic material, a lot of energy and possible destruction and harm
What is an explosive eruption
200
The temperature of local areas may _________ after the release of ash and smoke after a volcanic eruption
What is decrease
200
The point inside the Earth where an earthquake takes place
What is a focus
300
The slowest seismic wave that produces the most damage on our planet
What is surface waves
300
The tool and measurement system used to describe the amount of energy released during an earthquake
What is the Richter scale
300
If magma has a high amount of these substances (2), it could mean that an explosive eruption is soon to come
What is silica and water
300
The two factors that can change solid rock into magma, and magma into solid rock
What is temperature and pressure
300
A small, steep volcano that is formed from explosive eruptions
What is a cinder cone volcano
400
A change in the shape of a rock due to stress
What is deformation
400
This states how sections of active faults that have had few earthquakes are likely to be the site of strong earhquakes in the future
What is the gap hypothesis
400
Aa and pahoehoe are examples of .......
What are types of lava
400
These form from nonexplosive runny lava that slowly moves out of cracks. It has a flat surface
What is a lava plateau
400
A funnel shaped pit around the central vent of a volcano
What is a crater
500
The two types of body waves that can travel within the layers of our planet
What are P waves and S waves
500
The area inside our planet where seismic waves travel at faster speeds and was discovered by monitoring seismic body waves
What is the Moho boundary
500
A type of lava that is formed under water on active volcanoes
What is pillow lava
500
These form when magma chamber empties and causes a big depression at the bottom of a volcano
What is a caldera
500
Locations where volcanoes form that is not near a tectonic plate boundary
What is a hot spot
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