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.
But when Stein littered the New Madrid Seismic Zone with GPS receivers, he found that the ground was hardly moving at allâless than two millimeters per year and possibly zero. According to seismology 101, no ground motion means thereâs no strain building up. And no strain means no earthquakes. New Madrid, Stein reasoned, was safe.