John T. Scopes was arrested for teaching the theory of evolution in a Tennessee school (1925) VOLCANIC EXPLOSIVITY INDEX Below is the Volcanic Explosivity Index (VEI) used to classify volcanic eruptions:
VEI category plume frequency classification
0 Nonexplosive 25km 100s years Plinian
6 Colossal >25km 100s years Plinian/Ultra-Plinian
7 Supercolossal >25km 1,000s years Ultra-Plinian
8 Megacolossal >25km 10,000s years Ultra-Plinian
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