Midway Geyser Basin, Yellowstone National Park


Bild von Ken Lund
Excelsior Geyser Crater, formerly know as Excelsior Geyser, is a hot spring in the Midway Geyser Basin of Yellowstone National Park in the United States. Excelsior was named by the Hayden Geological Survey of 1871. Possibly the only known photograph of Excelsior in full eruption was taken by Frank Jay Haynes in 1888.

The Excelsior Geyser pool discharges 4,000 to 4,500 gallons (15,100–17,000 l)[6] of 199 °F (93 °C) water per minute directly into the Firehole River. Until 1890, it was an active geyser that often erupted to 300 feet (91 m). 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 (9.1 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 at intervals of 5 to 66 minutes.[6]

In the mid 2000s Excelsior did have violent boiling strong enough for some to consider them eruptions, the boiling reached between 30 to 50 feet (9.1 to 15 m).

en.wikipedia.org/wiki/Excelsior_Geyser

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Bild von bobrpics
Hot spring on the Firehole River

Lwr Gsr Bsn, detail


Bild von Julia Manzerova
Lower Geyser Basin, near Firehole Lake Drive

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Die Baumwolltasche hat ein Fassungsvermögen von 10 Liter und eine Größe von 42x38cm.

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