quote:
Originally posted by unknownjulie
UM yes, bluesboy- all the data I've been posting about is directly off of the HVO website! I am asking for some analysis. I've been watching it for awhile and have never seen so many earthquakes. If this is the norm, then ok. Maybe it is. Anyone else have an opinion? Thanks
hey unknown! imo the unusualness of the current elevated earthquake count is within the range of 'normal' cycles of activity here. as in.. over the years.. we have periods of elevated activity of a similar, lesser, or greater magnitude. but heightened activity none-the-less.
what does it mean? well that's the greatest part of the story... they.. we.. you and I... don't always know! and hey we get the treat of being a part of the whole experience of contemplating it. which I find very satisfying in itself.
ok.. so what are the possibilities?
when we consider that the locus of activity is in the area if the summit eruption, and that in itself is a vent that opened up only a few years ago.. and continues to grow..
and that there is an extended DI event in progress at the moment, i.e. by inference the magma that is just below the surface is in a state of change from the assumed regular unimpeded transport of magma through the summit down to the eruption site on the east rift..
and that this change.. again inferred.. represents some diminishing of the pressures that are associated with this activity.. so as to have this long period of deflation of the summit..
and! this is the kicker.. the vents at puu oo.. which is also recording the long term deflation.. are still active.. i.e. showing signs of eruptive activity.. and further transport of the shallow magma towards the still flowing lava flow..
and that the associated earthquake swarm which by hvo's report has some very intriguing aspects to it..
yeah it's a mystery!
and then maybe the idea that I put forth above that there is a lessening of the pressures within the summit (as inferred by the deflation) is wrong (as suggested by the ongoing nature of the east rift eruption) and the deflation is really inflationary tilt associated with the location of the pressure within the summit region having moved?
as I said aint it cool that we get the treat of being a part of the whole experience of contemplating it! and with the net and hvo's use of it to provide us with the info that they do it's one way fun ride! imo