Earthquakes Flashcards
What is an earthquake
An earthquake is the sudden shaking of the earth
What is a seismologist
It’s a person who studies earthquake
What’s a focus
It’s the place where an earthquake begins beneath the earths surface
Wha r shock waves
They are also called seismic waves and spread out in a circle from the focus
What is the epicenter
It’s the point where the earthquake is strongest on the surface and is directed about ten ficus
What’s a fault
It’s a large crack in the earths crust
What’s a tsunami
It is an earthquake under the sea and is a hamuge tidal wave
What’s a seismorgaph
It’s an instrument used to measure and record an earthquake and how long it lasted
What’s a Richter scale
It’s used to measure the magnitude and it goes 1 to 8
What the moment magnitude scale (MMS)
It’s like the Richter scale but better and more reliable it goes from 1 to 10
How to reduce earthquake damage
1predicts when n earthquake might occur
Panning for earthquakes
Contrustion of earthquake safe buildings