Earthquakes Flashcards
What is an earthquake
The sudden movement on shaking of the crust caused by tectonic plates
What is the epicentre
The centre of the earthquake on the earths crust
What is the focus
The centre of the earthquake underground
What are tremors
Tremors are shaking of the earths crust travelling out from the focus
What instrument do you use to measure earthquakes
Seismometer
What is the scale used to measure an earthquake called
Richter scale
Where do earthquakes occur
Plate boundaries
When did the famous Japan earthquake occur
March 11 2011
What was the Japan earthquake on the richter
scale
9.0
What was the over all cost of destruction in the Japan earthquake
250 million
How many people died overall in the Japan earthquake
20,000
Which plates were involved in the earth quake
Pacific and Eurasian
What is a fault line
A crack in the earths crust that occurs at an earthquake
What is a someone who monitors earthquakes called
Seismologist
What is the modified medically scale
A scale based on what people think