Eartquakes And Tsunamis Flashcards
How do earthquakes occur?
Whalen tw plates slide past each others but get stuck and when pressure builds up and then suddenly releases it can cause the ground to shake
What does a Richter scale do?
It rates the magnitude of an earthquake
What is a seismologist?
Someone who studies and monitors earthquake activity
What is a seismometer?
Is a machine that detects and measures movement in the earth’s crust
What is a seismograph?
It records that a seismometer detects and gathers data to help a seismologist
What is the strongest point of an earthquake above the crust called?
It is called the epicentre
What is the strongest point of the earthquake in the earth’s crust called?
The focus
What is a fault line?
A long crack in the earth’s crust
What are seismic waves?
Energy waves that result from earthquakes and the cause of the ground shaking
Where do most earthquake occur?
The pacific ring of fire
