natural disaster

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Across
  1. 2. a period of low rainfall
  2. 4. a mountain that opens downward to a pool of molten rock below the surface of the earth.
  3. 6. an instrument that and records details
  4. 8. a series of high tidal waves
  5. 9. a sudden accident that causes great damage or loss of life.
Down
  1. 1. the outermost layer of the Earth
  2. 3. scale a numerical scale for expressing the magnitude of an earthquake
  3. 5. sudden shaking of the earth's surface or crust
  4. 7. Earth's lithosphere (the crust and upper mantle) is divided into a number of large