Earthquakes
Which seismic waves are the fastest
Primary waves
Which type of volcano is the biggest
A shield volcano
Which layer of the earth is the thinnest
The crust
Which event most likely caused mountains to form
Tectonic plates being pushed together
In what country did the largest tsunami take place
America
Which two seismic waves are the fastest
Primary waves and Secondary waves
Which volcano is the smallest
A Cinder Cone volcano
Which layer is the thickest
The mantle
What is the process in which denser oceanic plate sinks under a less dense continental plate
Subduction
what year did the largest tsunami strike
1958
Which seismic waves are the most destructive
Surface waves
What is a weak spot in the crust where molten material comes to the surface
Volcano
Which layer is described as a plastic or puddy-like solid
Asthenosphere
What movement helps move the tectonic plates
Convection currents
What usually causes a stunami
An earthquake
Which type of stress is most commonly associated with an earthquake
Shearing
What is the area in the pacific ocean that contains a large number of volcanoes
ring of fire
Which is the only liquid layer
Outer core
What makes convection currents move
Heat
Where did the largest tsunami take place
Lituya bay Alaska
Which device records seismic activity
A seismograph
Which volcano is also known as a stratovolcano
A composite volcano
Which layer is responsible for earths magnetic field
The core
What is the name of the supercontinent that existed 300 million years ago
Pangea
Do tsunamis have waves after the main wave Yes or no
Yes