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.
Earthquake Information for Alaska. There are 111,816 earthquake incidents in Alaska on record since 1931. The state averages 1,347 earthquakes per year. The largest earthquake on record for Alaska occurred on 03/28/1964, with a depth of 6.3 miles and a magnitude of 9.2 on the Richter scale in Valdez Cordova Census Area, AK.