Aleutian Megathrust was the name of my heavy metal band in the 90’s.
Paul Braun WD9GCO
Anchor, Amateur Radio Newsline
Certified Music Junkie
"It's such a fine line between stupid, and clever." -- David St. Hubbins
"Music washes from the soul the dust of everyday life" - Berthold Auerbach
On Dec 27, 2018, at 17:27, Ken Norton <ken@xxxxxxxxxxx> wrote:
>> Same sentiments here. I guess, at some point, the aftershocks become a
>> part of daily life.
>
> They really are settling down. The first couple of weeks had
> noticeable aftershocks every hour or two. The first couple of days it
> was really wild as they were quite strong and loud. Now, almost all
> are below 3.0 which is rarely felt and easily ignored. But we are
> still getting a few bigger ones after days of relative quiet. And the
> type of motion really is more important than the rating. If it's a
> bump, you'll probably not feel it if sitting on the couch, but a side
> motion will get your attention even if it's much weaker. The dishes in
> the cupboard will tell you which it is. The bumps make them jump, the
> side-to-side will make them slide back and forth.
>
> In another couple of weeks, it should be pretty much over except for
> the occasional bump or rattle. It really doesn't take long for them to
> stabilize. A couple months is usually about it. However, there is
> always the chance that it will keep moving for a while longer, but at
> some point it just merges in with the background noise of other faults
> wiggling away. And there are MANY of them in this area. However, it's
> the Aleutian Megathrust that will be the next regional ELE when it
> tops the 9.4 of 1964.
>
> And this one is likely not a historical fault, but the result of a new
> stress crack that formed across this specific slab. There are two
> other known cracks in this area and this one is right between them and
> a result of the fact that this slab is getting pushed from one side
> and it isn't able to rotate freely.
>
> This earthquake/fault is so close to the city that the motion is
> entirely different depending on our orientation to the epicenter of
> the aftershock. Some of them are nearly below your feet and will cause
> the jolt, where others are to the side which gives a different motion.
> Five miles makes a world of difference. Also, local soil conditions
> and other geological formations are causing different motions.
>
> AG
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