Across
- 8. The rigid outer part of the Earth
- 9. Instrument used to measure Earth tremors.
- 11. Plate boundary where plates slide past each other. Eg: San Andreas Fault, California.
Down
- 1. Human activity that decreases soil infiltration and increases soil erosion.
- 2. Process where loose sediments with high water content behave like a liquid during earthquakes.
- 3. The point of the Earth´s surface directly above the focus of an earthquake.
- 4. of the crust and the upper mantle.
- 5. Time difference between peak rainfall and peak discharge.
- 6. Mudflows of volcanic material.
- 7. Material made up by very hot gases, ashes and volcanic bombs.
- 10. A weather event that leads to changes in the pattern of ocean currents of the South Pacific.