GnRH stimulates the pituitary gland to produce follicle stimulating hormone (FSH), the hormone responsible for starting follicle (egg) development and causing the level of estrogen, the primary female hormone, to rise.
The Great Alaska Earthquake lasted for nearly five minutes and registered a magnitude of 9.2, still the largest ever recorded in North America and second only to the 9.5-magnitude quake that struck Chile in 1960.
Southcentral Alaska was rocked by a strong and prolonged magnitude-7.1 earthquake early Sunday morning, destroying four homes on the Kenai Peninsula and rattling nerves throughout the region. The quake struck at 1:30 a.m., according to the U.S. Geological Survey. The Alaska Earthquake Center said it hit on the west side of Cook Inlet, about 65 miles west of Homer and about 160 miles southwest of Anchorage, at a depth of 76 miles. It was felt from Juneau to Fairbanks. The quake knocked items off shelves and walls and shook buildings throughout Alaska's most populated region.