Across
- 3. spots where the Earth’s crust is thin so magma is able to break through the surface, forming volcanoes
- 5. is a circular depression in the ground caused by volcanic activity
- 7. the point along a fault at which the first motion of an earthquake occurs
- 9. less dense/older type of plate
- 10. is used to measure the magnitude of an earthquake
- 11. Name of plate margin where two tectonic plates slide past each other.
Down
- 1. is a dense, fast-moving flow of solidified lava pieces, volcanic ash, and hot gases.
- 2. the point on the Earth’s surface that is directly above the focus of an earthquake.
- 4. subduction creates deep ocean
- 6. the pushing down of one tectonic plate under another at a collision plate margin.
- 8. waves waves of energy that travel through Earth's layers,and are a result of earthquakes