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 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.ocation of earthquake epicenters in and near the New Madrid Seismic Zone (circles scaled according to magnitude.). Knowledge about some of the NMSZ faults is obtained by seismograph recordings of the frequent small earthquakes.