Earthquakes Yyy Flashcards
What is the earths crust made up of
Tectonic plates
What is the area called where tectonic plates meet
plate Boundry or fault line
When the earthquake settles down after shocks occur which can be violent
Iiii
Plate Boundry and earthquake zones on page earthquake
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What is the focus of the earthquake
The area in the earths crust with the shockwaves begin
The deeper the focus of an earthquake The further the shock waves can travel causing damage over a wider area
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What is a epicentre
The place on the surface of the Earth directly above the focus
Where is an earthquake most extreme
the epicentre
What are the names of the scientist to study the seismic waves released from the centre of an earthquake
Seismologists
What instruments do uses managers use to record the pattern of the waves
Siesmograghs
Seismographs works out what
Has strong earthquake is and how long it would be
How is the strength or magnitude of an earthquake measured
On the richter scale
Who is the richter scale named after
Charles Richter
On the Richter scale what would a major earthquake measure
A major earthquake measures 7 or more. Anything less than 5 is a minor earthquake
What is another measure of an earthquake?
Mercalli scale invented by an Italian Seimologist called Mercalli
