Across
- 2. a big slab of solid rock, composed of both continental and oceanic lithosphere
- 7. sudden violent shaking of the ground
- 10. force that resists the sliding or rolling of one solid object over another
- 11. an open-ended logarithmic scale for expressing the magnitude of a seismic disturbance (such as an earthquake) in terms of the energy dissipated in it.
- 13. an instrument that measures and records details of earthquakes, like force and duration.
Down
- 1. intergovernmental oceanographic commission
- 3. the maximum extent of a vibration or oscillation, measured from the position of equilibrium
- 4. the outermost layer of our planet, shell that surrounds the entire earth
- 5. a line on a rock surface or the ground that traces a geological fault
- 6. the ground that is at the bottom of the sea
- 8. ocean waves triggered by large earthquakes that occur near or under the ocean, volcanic eruptions or submarine landslides
- 9. the action or process of moving or being moved
- 12. another term for seismograph