Disaster puzzle

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Across
  1. 1. Michigan town about Erin Brokovich
  2. 4. Disaster help initials RC
  3. 5. Type storm named Katrina
  4. 7. Type of disaster other than natural
  5. 8. Signal on phone or TV for occuring emergency
  6. 9. When water rises rapidly this happens
Down
  1. 2. Man made power station that was named Chernobyl
  2. 3. Type of immediate disaster
  3. 5. People 2020
  4. 6. Exxon oil tanker that wrecked