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 6.1 earthquake struck the Andreanof group of the Aleutian Islands, Alaska, on September 15 at a depth of 22.3 km (13.9 mi). This was an aftershock of the magnitude 6.5 earthquake on September 4.