What is a fault line?
A crack in the earth's crust where two plates meet.
Name a well known fault line
San Andreas fault line
I am the point on the surface of the earth directly above the focus
epicentre
what type of shock comes after the main earthquake?
aftershock
Earthquakes that have a _____ focus cause more destruction and damage than those with a _____ focus
Shallow & Deep
What ocean is well known for earthquakes?
Pacific Ocean
What is an underwater earthquake called?
Tsunami
Name the instrument that measures earthquakes
Seismograph
Name someone who studies earthquakes
seismologist
a _____, hung from a ______, is moved by _____ from an earthquake
weight, string, shockwaves
How many monitoring stations are there in Ireland
9
Why is there monitoring stations in ireland?
Irish research and recordings contribute to the global monitoring of plate movements.
What do the monitoring stations on the sea floor in P. ocean do?
Relay signals to main land stations.
What is the measure of the size of the earthquake?
Magnitude
name the three scales
Richter, mercalli and moment magnitude
How is the Richter measured?
1-10
