Dallas Blog

That certainly wasn't what woke me up around that time last night. 3.0 Quake...BABIES!! Which, if that was your waking activity (here's hoping), was/were hopefully NOT your end result.

I grew up in SoCal. I remember Northridge, the high 5-points and low 6's. Now those were worth getting scared over.

Uh... no. Rocky Mountain Arsenal (now a National Wildlife Refuge) is north of the old Stapleton Airport in Denver. The current airport, DIA, is a good ways to the east of the RMA site. The well drilling that caused the Denver earthquakes in the 60's is nowhere near DIA.

Texino,
Not so far as you might think.
The airport was built on Arsenal land (a source of much controversy when it was first proposed). Commerce City, which experienced the worst effects of the heaviest quake, is 5-6 miles to the west. Not ground zero, perhaps, but close enough to be worrisome. Fortunately, the quakes have become much milder, probably because the deep well is no longer in use.
The Arsenal, by the way, was the major manufacturing and storage facility for nerve gas. It was pretty widely known that the well in question was being used for the "disposal" of toxic chemicals, a process not unlike the practice of pressure pumping brine into oil and natural gas formations to break up rock strata.
I only raise all this because I was living in northeast Denver when the quakes started.

I'm not a geologist, Gravy. I did hear one geologist interviewed who said he "wouldn't rule it out."
The quakes have centered around 3 miles. That's 15,840 feet by my calculations, but then, I'm not a mathematician, either.
I note that you do have to drill past 7,500 feet to get to 15,840.