natural disaster

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Across
  1. 5. When natural disaster occurs, people living in the affected area are usually asked to _____
  2. 7. Earthquake that happens soon after the first one
  3. 10. Sudden and violent shaking of the earth's surface
  4. 11. We can tell the _____ of an earthquake using Richter scale
  5. 12. Huge rotating storm
  6. 13. Magma that has left the vent
Down
  1. 1. Help us track typhoons
  2. 2. The innermost layer of earth
  3. 3. The outermost layer of earth
  4. 4. Rock that has melted due to the high temperature inside the earth
  5. 6. Mountain that has an opening for molten rock beneath the earth to escape
  6. 8. A crack in the earth's crust
  7. 9. Instrument to predict volcanic eruption
  8. 12. Series of giant wave that comes from the ocean