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.
Federal agency: magnitude-7.1 earthquake hit southern Alaska. In this photo provided by Vincent Nusunginya, items fallen from the shelves litter the aisles inside a Safeway grocery store following a magnitude 6.8 earthquake on the Kenai Peninsula on Sunday Jan. 24, 2016, in south-central Alaska.