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.
Southern Alaska is prone to earthquakes, according to USGS. On March 27, 1964, the area experienced a 9.2-magnitude quake, the most powerful earthquake recorded in the United States and the second-most powerful earthquake recorded in world history. Perhaps the frequency of seismic activity explains this great response from an Anchorage resident: