Re: [OM] More Chinook Pass and the debut of Mt. St. Helens

[Ken Norton]

>
> I am no geologist, but perhaps the 300mph seems a bit much given the
> viscosity of the rock/ash/gas miixture even at a steepish gradient.
>


Actually, it can be 50% faster than that.  It has less to do with gravity
and more to do with the fact that it's an explosion of gas and rock.

AG
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