Accounts from the 1920s and 1930s tell of Lakeshore
Geyser erupting up to 50 feet (15 meters). The smaller of the
two geyser vents is generally not exposed until mid to late
August. Although Lakeshore Geyser boils vigorously and almost
continuously, and often erupts a few feet, its last known major
eruption was in 1970. One day, however, earthquake activity
or other processes may cause the geyser to gain energy and begin
erupting more forcefully again.
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Last Updated:
Wednesday, 22-Dec-2004 10:11:42 Eastern Standard Time
http://www.nps.gov
/archive/yell/tours/westthumb/lakeshore.htm