Old Faithful

Old Faithful
one of the best known geysers of Yellowstone National Park.
[so named because of the longevity and regularity of its activity]

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 most famous, though not the highest, of all North American geysers (geyser), at the head of the Upper Geyser Basin in Yellowstone National Park, Wyoming, U.S. It was so named in 1870 by the Washburn-Langford-Doane Expedition because it seemed to spout “faithfully” every 63–70 minutes. Under continuous observation, however, it has been found that the eruptions occur with some irregularity, with intervals varying from 33 to 120 minutes. After the 1983 Borah Peak (Idaho) earthquake, these intervals became increasingly less predictable. The duration of Old Faithful's eruptions ranges from 1.5 to 5.5 minutes. Billowing steam and from 3,700 to 8,400 gallons (14,000 to 32,000 litres) of hot water are ejected at one eruption. The geyser's fountainlike columns reach heights of about 170 feet (52 metres) on calm, windless days.

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Universalium. 2010.

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Look at other dictionaries:

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  • Old Faithful — a place in Yellowstone National Park, U.S. where hot water comes out of the ground and goes high into the air about once every hour. Old Faithful is a geyser …   Usage of the words and phrases in modern English

  • Old Faithful — er en gejser i Yellowtone Park, USA, som springer flere gange om dagen …   Danske encyklopædi

  • Old Faithful — ☆ Old Faithful noted geyser in Yellowstone National Park, which erupts about every 67 minutes …   English World dictionary

  • Old Faithful — Una de las zonas de géiseres más conocidas es la del Parque Nacional de Yellowstone, en Wyoming. Estados Unidos. Ahí se encuentran unos 100 géiseres activos; el más conocido de entre ellos es el Old Faithful traducido como Viejo Fiel que expulsa… …   Wikipedia Español

  • Old Faithful — noun a geyser in Yellowstone National Park that erupts for about 4 minutes about every 65 minutes • Instance Hypernyms: ↑geyser • Part Holonyms: ↑Yellowstone National Park * * * Old Faithful [Old Faithful] a famous US ↑ …   Useful english dictionary

  • Old Faithful Historic District — U.S. National Register of Historic Places U.S. Historic district …   Wikipedia

  • Old Faithful Inn — U.S. National Register of Historic Places U.S. National Historic Landmark …   Wikipedia

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