nature disaster

123456
Across
  1. 3. a very high, large wave in the ocean.
  2. 5. a violent and destructive storm.
  3. 6. melted rock from a volcano.
Down
  1. 1. a storm with lightning and thunder
  2. 2. a shaking of a part of the Earth's surface
  3. 4. a large amount of things that come same time