- Excelsior Geyser
Excelsior Geyser is a
hot spring in the Midway Geyser Basin ofYellowstone National Park in theUnited States .The Excelsior Geyser pool discharges 4,000 to 4,500 gallons (15,100–17,000 l) [cite web | year = 2006 | url = http://geyserstudy.computerpoint.net/geyser.aspx?pGeyserNo=EXCELSIOR| title = Excelsior Geyser | work = Geyser Observation and Study Association (GOSA) | accessdate = May 22 | accessyear = 2006] of 199 °F (93 °C) [cite web | date =
May 22 2006 | url = http://www.ngdc.noaa.gov/nndc/struts/results?op_0=eq&v_0=&op_1=l&v_1=&op_2=l&v_2=&t=100006&s=1&d=1 | title = Thermal Springs List for the United States | publisher = National Geophysical Data Center | accessdate = May 22 | accessyear = 2006] water per minute. Until 1890, it was an activegeyser that often erupted to 300 feet (91 m) high. It is believed that powerful eruptions damaged its internal plumbing system, and it now boils as a hot spring most of the time.In 1985, Excelsior returned to activity for a 45 hour period from September 14 to 16. These eruptions were relatively small at 30 feet (9 m) but a few were as much as 75 feet (23 m) tall and 75 feet wide. All of these eruptions lasted about 2 minutes with intervals of 5 to 66 minutes between. [cite web | year = 2006 | url = http://geyserstudy.computerpoint.net/geyser.aspx?pGeyserNo=EXCELSIOR| title = Excelsior Geyser | work = Geyser Observation and Study Association (GOSA) | accessdate = May 22 | accessyear = 2006]
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