Earthquakes Flashcards
What are the 2 types of plates?
Continental and oceanic
Name the different types of plate boundaries?
Constructive, destructive, conservative
What are the 3 layers structure of the earth made up of?
Crust, Mantle, Core
Which plate boundaries do earthquakes occur
Destructive or constructive plates
What measures earthquakes?
Richter scale
What are the readings measured by?
Richter scale
How do the plates move for a constructive plate?
2 plates move way from each other
Name a area where there is a constructive plate?
San Andreas fault in California
How do plates move on a destructive plate?
Plates move towards each other
Name an area where there is a destructive plate?
Mid Atlantic ridge African Rift Valley
How do conservative plates move?
Plates move in opposite directions sometimes at different speeds
Where is there a conservative plate?
Andes mountain
What are the four major tectonic plates called?
Eurasia, North American, Africa, Pacific
What are the primary effects of an earthquake?
Buildings collapse, land can sink and crack, falling objects, infrastructure damage.
What are secondary effects of an earthquake?
Fire caused by escaping gas, tsunami,disease from contaminated water, damage to communication lines, infrastructure cost and repair.
