Tectonic Plates
When tectonic plates collide.
What is convergent?
Strongest type of volcanoes?
What is composite
The point on the Earth's surface vertically above the Earth's center
What is the epicenter?
Closest fault to Pleasanton
What is the Hayward fault?
An Earthquake under the ocean
What is a Tsunami?
Plates pull apart and stretch
What is Divergent?
A volcano that hasn't erupted in a long time.
What is dormant?
Ground movements in the Earth that move suddenly to release energy
What is an Earthquake?
The length of the Hayward fault
What is 74 miles?
Where tsunamis occur most often
What is the Pacific Ocean?
Plates that slide past each other horizontaly
What is Transform?
The year Mt. St. Helens erupted
What is 2008?
The place within the Earth where the first motion of an Earthquake happens
What s a focus?
A break in the Earth's crust along which blocks of rocks move
What is a fault?
In 2004 a devastating tsunami hit this ocean
What is the Indian Ocean
Makes rocks thinner
What is Tension?
Melted rock
What is magma?
The year the most destructive Earthquake happened
What is 1906?
What is deformation?
Waves can be taller than this height
What is 30 meters?
Amount of Earthquakes per year
What is 500,000?
Magma that has reached Earth's surface
What is lava?
The magnitude of the 1906 San Francisco Earthquake
What is 7.9
The length of the San Andreas Fault
What is 750 miles?
This is another common name for a tsunami
What is a tidal wave?