Across
- 3. Molten rock which originated within the earth
- 5. The geographic and historical distribution of earthquakes
- 6. The outermost major layer of the earth, ranging from about 10 to 65 km in thickness worldwide
- 9. The breaking up of a fault line along its length into several smaller faults.
- 10. The sudden fracture and movement of rocks inside the Earth
Down
- 1. A number that characterizes the relative size of an earthquake
- 2. the maximum disturbance or distance from a constant point
- 4. Solid, rocky, outer part of the Earth, ~100 km thick comprising the crust and the solid portion of the mantle
- 7. Describes a fault on which no earthquakes have been observed
- 8. The layer in Earth’s interior between the crust and the metallic core