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.
A magnitude 7.9 earthquake struck off the coast of Alaska early Tuesday morning, triggering tsunami warnings from the Aleutian Islands to British Columbia. However, all watches and warnings were later canceled around 3:12 a.m. local time. Read Story