Earthquakes
Volcanoes
More volcanoes
100

the point below the earth’s surface where the rock breaks or slips



Foucus

100

What is underground melted rocks

magma

100
  • region of the earth’s plate boundaries where oceanic crust is subduction under other plates, this is called ?  



Ring of Fire

200

a point on earth’s surface right above the focus   



Epicenter

200

the bowl shaped depression formed by the collapse of a volcano after it has erupted 



Caldera

200

a point on earth’s surface right above the focus , is called ?



Epicenter

300

an instrument that measures and records seismic waves.

Seismograph

300

solid remains of magma that filled the conduit (pipeline) of an extinct volcano.  The neck is exposed as the volcano erodes



Volcanic neck 

300
  • What type of volcano is this?



  • Shield volcano 


  • - flat top

  • Slow rising sides



400

a scale that ranks earthquakes according to the size of the seismic waves



Richter scale 

400

What is it called when there is a mudflow that results from a volcanic eruption ?

Lahar

400
  • What is this type volcano? 



  • Cinder cone volcano

500

a small burst of shaking that occurs before a large earthquake.

Foreshock

500

What is an erupting vent through which molten rock and other materials reach earth’s surface, or a mountain built from the products of an eruption



Volcano

500
  • What type of volcano is this?



  • A composite volcano