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Now seismologists at Columbia University say they have identified three quakes — in Oklahoma, Colorado and Texas — that were triggered at injection-well sites by a major earthquake a long distance away.
Don't forget the "booms"
“When a fault slips suddenly underground it radiates two different kinds of seismic waves,” Ellsworth tells StateImpact Texas. “One is called a P wave and this is an acoustic wave, the same kind of wave that we hear with our ears. The other wave is an S wave or shear wave, and it’s the wave that carries most of the energy that we typically feel.”
Ellsworth says that P wave travels faster than the S wave and when it reaches the earth’s surface it can create a loud noise under the right conditions.
“So it’s a little like thunder,” Ellsworth says. “You may see the flash in the distance, and then it takes a while for the air wave, in this case, to propagate, and make the boom that, in this case, you associate with lightening.”
brazenalderpadrescorpio
Wow, 3.5... That's pretty strong... **Laughing hysterically** I don't even feel those.
cheesy
brazenalderpadrescorpio
Wow, 3.5... That's pretty strong... **Laughing hysterically** I don't even feel those.
3.8 just 44 minutes ago..
3.3. 22 minutes ago..
And only 5 km deep..
m.emsc.eu...
Something going on...
edit on 18-2-2014 by cheesy because: (no reason given)
... or a Bunker with Aliens and tube trains to Area 51 while fracking for element 114 , unobtanium, and Dellschau's NB Gas, all at the same time dogs and cats are living together and working with dolphins to mind control everyone with HAARP because of Fukushima, and attempts to restart the lost Atlantis pyramid energy grid in preparation for the return of Nibiru and the Annunaki.
weirdguy
Of interest is the majority amount of quakes is at 5.0 kilometers depth, especially leading up to the 15th of Feb. www.okgeosurvey1.gov...
Sometimes when depth is poorly constrained by available seismic data, the location program will set the depth at a fixed value. For example, 33 km is often used as a default depth for earthquakes determined to be shallow, but whose depth is not satisfactorily determined by the data, whereas default depths of 5 or 10 km are often used in mid-continental areas and on mid-ocean ridges since earthquakes in these areas are usually shallower than 33 km.
whitewave
All these earthquakes in Oklahoma of late can only mean one thing......
They're after our lucky charms!
Silly frackers.
Lil Drummerboy
it is the end of us all for sure..
between this and yellowstone..
we are witnessing the end of the world..
earth quakes happen all the time there
lol
But..
on a serious note..
the gates of hell are about to open.. your all doomed..
Oklahoma is fracking central..
but really.......
go shopping.. buy yourself something cool..you deserve itedit on 18-2-2014 by Lil Drummerboy because: (no reason given)