“I thought that the NM has gone off in the last ~30 yr.”
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I don’t think so.
There have been very minor tremors over the years.
The last that I felt was in the mid 70s.
Some years after that, the big Earthquake guru (don’t remember is name) predicted a big quake for the area but it never materialized.
There was a big TV special (Natl. Geo?) on Earthquakes just last week...quite frightening.
There was considerable time devoted to the New Madrid fault.
I had a stack of tires fall over in my garage. I’ll have to look it up.
Iben Browning circa 1990. There WAS a 4.5 or so here locally, and the rush of media swamped New Madrid. The “big one” never came though.
Browning also believed that global cooling was coming as well.
http://www.freerepublic.com/focus/news/2605094/posts
NEW 3.0 EARTHQUAKE IN ARKANSAS NEW MADRID FAULT LINE 8 Quakes in total TODAY.
New Madrid Earthquake ^ | October 10, 2010
Posted on Sun Oct 10 2010 19:13:53 GMT-0500 (Central Daylight Time) by SumProVita