To: Larry Lucido
It would appear that quakes (even less major ones) probably cause volcanic eruptions of the Plinian event type by weakening the rock structure above a magma chamber, allowing the pressurized magma to "blow". The Vesuvian eruption of 79 AD followed an earthquake 12 years earlier that may have allowed the magma in the chamber to move up. St. Helen's lateral eruption was immediately preceded by an earthquake. Krakatau' first signs of subsequent eruptions followed earthquakes.
28 posted on
04/15/2005 5:33:08 AM PDT by
PzLdr
("The Emperor is not as forgiving as I am" - Darth Vader)
To: PzLdr
Don't forget the "starquakes"!
29 posted on
04/15/2005 5:39:01 AM PDT by
SlowBoat407
(When we are tolerant, we should be careful to note whether it stems from convenience or conviction.)
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