How can we help?

You can also find more resources in our Help Center.

21 terms

plate tectonics

STUDY
PLAY
epicentre
the point directly above where the earthquake occured
wave lenth
the distance between to successive waves
destruction
the result of an event that completely destroys something
force
the act of something that has great strength
after shock
further tremours after the initial earthquake
Richtor scale
the measurement of the strength of an earthquake at its epicentre
tsunami
a large ocean wave that is caused by suudden motion on the ocean floor
earthquake
something that occurs when movement in the earth disrupts.
magnitude
the unit used to measure the strength of an eathquake
fault lines
lines in the earth most likey to have an eartquake occur near, or on
continental drift
the theory of movement that occurs between continents drifting over time
plate boundarie
earthquakes are most common here because of the different tectonic plates that meet.
drawback
when the water quickly receeds from the beach in anticipation of a tsunami
tsunami warning system
a system made for early detection of a tsunami
depth
how deep something is.
Laurasia
the name of a mass continent present over 180 million years ago. Does not exist anymore due to continental drift
gondwanaland
a continent from over 180 million years ago
outer crust
the outter layer of the earth
pangea
a continent from over 200 million years ago
core
the very centre of the earth
strike slip, normal and thrust
the three different types of fault lines.