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Earthquakes
From two days to two weeks prior to an earthquake, the Old Faithful Geyser of California gives warning by delaying its regular performance from the average thirty minutes to a longer interval. During this prolonged interval, it may send up "splits," small eruptions to no more than two or three feet in height, every few minutes. Finally, after the long delay, a 60-foot column of water and steam shoots upward.
The Geyser will return to its normal pattern unless interrupted by further tectonic stresses. Several scientists have studied the Geyser and one scientist has set up an infrared heat detector nearby. When the Geyser erupts, the detector is activated and information is relayed into an office where a taped printout automatically records all the eruptions day and night. The scientists then can use such information to determine whether or not Old Faithful's digressions from normal behavior correlate with the advent of an earthquake, and records are kept for future comparisons. The earthquake activity is not located at the Geyser, but within 500 miles or more from the area.
Originally posted by seagull
reply to post by DearWife
I lived and worked in Alaska for a good 15 years, mostly out in the Aleutians, and I lost count of the number of earthquakes I felt. The Adak earthquake was the scariest one I had to live through. Demolished a good portion of the island, and tsunami alerts all over coastal Alaska.
The one redeeming thing about the tsunami alerts are the tsunami parties...seriously epic in nature, and the quantities of booze consumed. They are a bit hairy the first couple of times, but afterthat, it's get to high ground (which in the aluetians is problematic :lol, and start looking for the party...