Keith R.A. DeCandido (kradical) wrote,
Keith R.A. DeCandido
kradical

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Schott's Miscellany 5 May 2009

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:

VEIcategoryplumefrequencyclassification
0Nonexplosive<100mdailyHawaiian
1Gentle100m-1kmdailyHawaiian/Strombolian
2Explosive1-5kmweeklyStrombolian/Vulcanian
3Severe3-15kmyearlyVulcanian
4Cataclysmic10-25km10s yearsVulcanian/Plinian
5Paroxysmal>25km100s yearsPlinian
6Colossal>25km100s yearsPlinian/Ultra-Plinian
7Supercolossal>25km1,000s yearsUltra-Plinian
8Megacolossal>25km10,000s yearsUltra-Plinian


But though an old man, I am but a young gardener.
Thomas Jefferson (1743-1826)
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