Thyroid replacement hormones usually are well tolerated. Symptoms that occur during treatment are often due to toxic, elevated levels of thyroid hormones and resulting symptoms from hyperthyroidism.
Facts about the New Madrid Seismic Zone. The New Madrid Seismic Zone (NMSZ) is the most active seismic area in the United States east of the Rocky Mountains. The NMSZ is located in southeastern Missouri, northeastern Arkansas, western Tennessee, western Kentucky and southern Illinois.
The historic earthquakes of the New Madrid Fault in 1811 and 1812 were widely reported. Striking with a magnitude of around 8, they rang church bells in Boston, caused the Mississippi River to run backwards for three days, and terrified settlers and Indians alike in the sparsely populated area.ccording to a recent study by the University of Illinois, a 7.7-magnitude earthquake along the New Madrid fault would leave 3,500 people dead, more than 80,000 injured and more than 7 million homeless. Roadways would become impassible due to bridge failures and roadway destruction.