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.
Coordinates: Madrid is located at almost the exact geographical centre of the Iberian Peninsula, at a latitude of 40 degrees 23 minutes north, 3 degrees 42 minutes west. It will come as a surprise to many of our readers to learn that Madrid is situated further west than London.