natural disaster

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Across
  1. 4. volcanoes that have erupted in recent years and may erupt in future
  2. 6. no rain
  3. 7. under the volcano
  4. 8. a sudden shaking of ground
Down
  1. 1. who study earthquakes
  2. 2. earthquakes are measured on
  3. 3. from which the magma goes out
  4. 5. other name of tidal or storm