Earthquake and Volcano Notes IAN2

 

Epicenter

 

 

Seismograph

 

Seismologist

Where an earthquakes energy reaches the surface and spreads

 

Instrument that measures seismic waves

 

Scientists who studies earthquakes

Magnitude

 

Richter scale

Measure of the energy released by an earthquake

 

Used to measure earthquake strength; each number is 10 times stronger.  A mag 3 is 10 times stronger than a  2.

Tsunami

Ocean wave caused by earthquake