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15 cards from this deck
Seismograph (or seismometer)
Primary waves (P-waves)
Secondary waves (S-waves)
Surface waves
Richter scale
Tenfold (10×) increase
9.5 (Chile, 1960)
7.0 or greater
Moment Magnitude Scale (MMS)
Modified Mercalli scale
I to XII (Roman numerals)
Too many variables; fault lines behave differently
No, they respond to P-waves humans can't detect
Measuring rock stress
Stress build-up at fault lines
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