natural diasters

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Across
  1. 2. shock,a small earthquake after big one
  2. 5. tidal waves
  3. 7. volcanoes that still erupt
  4. 8. no rain or less rain
Down
  1. 1. volcanoes that may erupt in the future but has not erupted in years
  2. 3. volcanoes which stopped erupting
  3. 4. lava under earth 's surface
  4. 6. instrument that detects shaking