Where do earthquakes occur?
On fault lines
How has the position of Earth’s continents changed over time?
They have been spreading apart
What is the scale that measures earthquakes
Richter
Where in North America do most earthquakes occur?
The West Coast
Along what ocean do most earthquakes occur?
The Pacific
What causes earthquakes?
Movement of the Earth's plates
Does the ground actually open up during an earthquake?
Nope
These are massive land slabs of rock that compose the Earth’s crust
Tectonic plates
This is a visible crack on Earth’s surface where plates are contacting one another
Faultlines
Do changes in the earth’s crust happen gradually or suddenly?
gradually
Approximately how many tectonic plates have been discovered?
50-100
What is the fault line running under California? It's also the name of a GTA game
San Andreas
What movement occurs during a strike/slip fault
They slide past one another
What does the prefix ‘Geo’ mean
Earth
What was the name of Earth’s massive super continent?
Pangea
What are the three fault line types?
Strike, slip, and normal
Similar fossils found on different continents is evidence of which?
Plate tectonics
How long ago did pangea exist?
3 million years
What is a seismograph
Paper representation of an earthquake
In which continent do the majority of earthquakes occur?
Asia
What water based disaster can occur from underwater earthquakes?
Tsunami
When two plates collide, what kind of fault is it?
Convergent
What is the hot, semi-liquid layer beneath the crust
Asthenosphere
What geographic feature created the Hawaiian Islands
A hot spot
The center of an earthquake is known as what?
The epicenter