| A | B |
|---|
| The point within the Earth where an earthquake starts is called the ... | focus |
| An______________ is the vibration of Earth produced by the rapid release of energy within the lithosphere. | earthquake |
| The _________is the location on the surface directly above the focus. | epicenter |
| An_____________is an earthquake that occurs sometime soon after a major earthquake. | aftershock |
| A seismograph produces a time record of ground motion during an earthquake called a... | seismogram |
| The waves that travel the fastest during an earthquake are called... | P-wave |
| The waves that travel slower during an earthquake are called ... | S-wave |
| An instrument that records seismic waves is called a ... | seismograph |
| The process where soil and rock are saturated with water during an earthquake is called... | liquefaction |
| A___________ is a wave formed when the ocean floor shifts suddenly during an earthquake. | tsunami |
| Earth's outermost layer consists of the crust and rigid shell is called the ... | lithosphere |
| The soft, comparatively weak layer is called the ... | asthenosphere |
| Earthquakes are caused by slippage along a break in the lithosphere called a ... | fault |
