| A | B |
|---|
| earthquake | releases energy in the form of seismic waves |
| epicenter | the point on the earth's surface where the erthquakes shaking is the strongest |
| volcano | any opening on the earth's surface that has emitted lava |
| shield volcano | a volcano that forms from layers of slow moving lava |
| composite volcano | a volcano that forms from alternating layers of lava and volcanic debris |
| focus | the point of an earthquake in the crustwhere the breakage occus |
| cinder cone volcano | a volcano with steeply sloping sides that forms from explosive eruptions |
| lava | magma that reaches the earth's surface |
| seismic waves | the vibrations produced by an earthquake |
| tsunamis | a huge ocean wave that can be triggered by an earthquake |
| crater | The hollowed out area at the top of volcano |
| vent | where lava emerges from a volcano |
