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.
Recent earthquakes in Alaska. 1964 Alaska Earthquake. On March 27, 1964, at 5:36 p.m. The second strongest earthquake in recorded history hit Alaska. The earthquake and ensuing tsunami took 128 lives (tsunami 113, earthquake 15), and caused approximately $311 million in property damages. Duration of the shock was estimated at 4 minutes.