posted on Oct, 26 2010 @ 05:14 AM
reply to post by thefulleffect
Hope may be all that the remaining people inside the predicted effected zone will have going for them. In 1980 Mount St Helens in the US blew its
top, after an injection of magma below the volcano created a huge bulge, fracturing the surface of the north face. This slope promptly fell away , and
the exposure of the molten rock beneath to lower preasure caused an explosion which sent pulverised rock an lava slamming out which over took the
avalanching north side of the volcano, such was the force of the detonation.
The pyroclastic flow which resulted from the eruption is thought to have breifly passed the speed of sound, which would be terrifying enough, if you
didnt know that pyroclastic flows are full of volcanic gases , and are hot enough to burn you dead in moments. Added to the fact that this flow
covered an area 23 miles wide and 19 miles long , you can pretty much guess how little chance any living thing in that area had to survive.
Mudslides from melting glaciers laid waste to a huge amount of land, and the ash from the eruption was deposited in 11 US states. Fifty seven people,
and thousands of animals were killed as a result of the eruption.
Now here we have this volcano in central Java... Tens of thousands of people will be effected by this eruption, even if the situation were to be very
different from the Mount St Helens disaster. Ten thousand people live on the slopes of Mount Merapi, and forty thousand people live close enough to be
in serious trouble , even if this eruption does not prove to be as violent or expansive in its area of effect.
It would be interesting to know wether or not the situation is in any way similar. Although there does not appear in any available report, a mention
of a bulge , the very fact that the top might blow off is reason for extreme worry . The forces at work in volcanos are enourmously powerful. Some
volcanic eruptions are reported to have had forces and energies exchanged in the same power range as small thermonuclear detonations. They are in fact
the epitome of catastrophy. Good luck Java. You are going to need it.