question: What does a seismometer measure?
choices.text: waves hail Mohs a scale fluid damage bar MPH
choices.label: A B C D E F G H
fact2: Seismograph: A seismograph is a device that records earthquake waves.
combinedfact: seismographs measure strength
formatted_question: What does a seismometer measure? (A) waves (B) hail (C) Mohs (D) a scale (E) fluid (F) damage (G) bar (H) MPH