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.
EDIT:Since its early history, earthquakes have affected the US. In 1812, the New Madrid earthquake destroyed half the town of New Madrid, Missouri and was the second largest earthquake ever recorded in the continental United States. On April 18, 1906 an earthquake rocked the heart of San Francisco, California and aftershocks were felt as far away as Oregon and Nevada.