Restless Earth Flashcards
how many layers are there in the earth’s core?
2 - inner and outer layer.
where is the mid - Atlantic ridge located ?
in the Atlantic ocean between the Americas and Africa.
what are the 4 types of plate margin ?
constructive margin - destructive margin - conservative margin and the collision margin.
what plate boundaries are fold mountains located on
destructive and collision
what are the 2 scales used for measuring earthquakes.
Richter scale and mercalli scale.
what date was the Nepal earthquake ?
sat 25th april 2015.
how high is a tsunami wave ?
1 metre when at sea but up to 25m when hitting shore.
what is a supervolcano ?
a very large volcano with a damage radius of 10,000 cubic km.
what is the damage radius of a regular volcano ?
1 cubic km.
what is basaltic ?
runny lava
