Earth Shakers
What is the name of the scale to determine the magnitude of an earthquake?
Richter Scale
What is the Ring of Fire
An area around the Pacific Ocean where most volcanoes and earthquakes are located?
A wave that recedes and then moves as a wall of water is called?
A tsunami
Smaller earthquakes that happen after the main earthquake in the same area
aftershocks
What should you do during an earthquake if you are inside?
Drop, cover and hold on. Get under a table, protect your head and stay away from windows.
What causes earthquakes?
Tectonic Plates moving
How are volcanoes created?
Plate Movement
When people have to move to higher ground and stay away from the shore
Tsunami
What are the four layers of the Earth?
Crust, Mantle, Inner Core, Outer Core
What was the worst volcanic eruption in recorded history?
In 1815, Mount Tambora in Indonesia killed 92,000 and also people died from famine and disease.
What was the tallest tsunami in history?
Lituya Bay in Alaska
Water, food, flashlight, batteries, band-aids, extra clothes
Items you should have in an emergency kit
What was the most powerful earthquake on record?
Chile in 1960. Magnitude 9.5
What are the four main types of volcanoes?
Strato
Shield
Composite
Cinder Cones
Why do tectonic plates move?
Magma in the mantle allows the plates to move