Across
- 1. a vertical tunnel out of the crust through which the magma escape from below the surface of the earth
- 6. the scale that measures the magnitude of earthquake
- 7. lava below the earth's surface
- 8. when magma from deep within the earth rushes out through weak spots in the crust.
Down
- 2. tidal or storm waves as high as 15 meters caused by undersea earthquake
- 3. it is caused by dry conditions where there is no rainfall for a long period
- 4. this forms the upper layer of earth
- 5. those who study earthquakes