Across
- 2. when two plates are separated
- 4. most popular way to measure earthquake magnitude
- 7. ground shaking (the name of this crossword)
- 9. the edge of a plate
Down
- 1. massive pieces of the earth
- 3. where the earthquake occurs on the earth's surface
- 5. when two plates smash into each other; one goes under the other
- 6. plates settling into their new places
- 8. when two plates slide past each other (but not smoothly!!!!!)