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.
This is an isoseismal map showing the impact of the Magnitude 7.7 Alaska Earthquake of July 9, 1958 in Modified Mercalli Scale units. Lituya Bay was in the area of XI intensity. The isoseismal contours near the epicenter parallel the Fairweather Fault.