You selected A Richter Scale. Here’s how others in your region answered. Click Continue to proceed to the next question.
  • A Shock Scale 24%
  • A Compression Companion 24%
  • An Earthquake Code 26%
  • A Richter Scale 26%
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Interesting fact:

The most powerful earthquake ever recorded on Earth was in Valdivia, Chile. Occurring in 1960, it had a magnitude of 9.5.