Just had an earthquake about 45 minutes ago. 4.0 in Poplar Bluff Missouri. We felt it 77 miles away. Haven’t heard much about quakes around here.
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My sister lives in Missouri.
From what I understand, she's still there.
MO has a shit load of caves. They are even creating underground commerce with business's moving into developed underground facilities.
For a long time Mo. was know as The Cave State.
https://www.ksdk.com/article/news/local/earthquake-wednesday-evening-southeast-missouri/63-f300ab86-2214-4964-8fa6-335112754ecd
Hmmmm....that is within the new madrid seismic zone.
And…….????
Several of the more powerful earthquakes in recorded u.s. history happened there. Just happened before many people lived around there and could be hideously devastating today. Lots of normal earthquakes happen in this area otherwise. Probably not a location selected to house a large underground structure?
It is not, but the earthquakes of 1811-12 generated from the New Madrid fault line and caused the Mississippi River to flow backwards and changed its regional course permanently in many cases (the highest Richter scale reading was either 8.3 or 8.6). In 1990, a man by the name of Iben Browning predicted a repeat of this event and it was akin to the Y2K panic. It was supposed to happen on Dec. 3rd, but alas... nothing happened. My mom did let me stay home from school that day, though. Poplar Bluff gets a lot of tremors and we have felt them throughout the Boot Heel and into the St. Louis region. Fairly common.
I will say that there is a lot of mining activity here due to the natural limestone beds and yes, there are a million cave systems. Could be man-made tremors, too.
Probably. 🤷🏼♀️
This is but one example of dumb type facilities in MO
https://www.springfieldunderground.com/
Any way of knowing what it’s been getting used for?
This particular facility?
Mostly cold storage warehouse facilities (companies like Kraft warehouse cheese products down there) and office space. There are also data centers in this particular facility.