Across
- 6. - central part of the earth.
- 7. - happens every year to help people prepare for an earthquake.
- 9. - plate boundary where oceanic crust subducts beneath continental.
- 10. - secondary effect created by earthquakes under the sea.
Down
- 1. - scale that measures earthquake strength.
- 2. - earthquake occurred here on 12 January 2010
- 3. - currents which move the plates.
- 4. - where an earthquake starts.
- 5. - used to measure earthquake activity.
- 8. - cover ______ hold.