FAQ - Measuring Earthquakes
Q: What are the earthquake magnitude classes?
A: Great; M > =8
Major; 7 < =M < 7.9
Strong; 6 < = M < 6.9
Moderate: 5 < =M < 5.9
Light: 4 < =M < 4.9
Minor: 3 < =M < 3.9
Micro: M < 3
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