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  North Goggle
Feature Type: Geyser
Geyser/Spring Type: Fountain geyser

Basin
Upper Geyser Basin
Complex
Geyser Hill

North Goggle Geyser is a cone-type geyser. It has both major and minor eruptions. Minor eruption durations last about one minute and heights are less than 10 feet tall. Major eruption durations last about 3-4 minutes and heights are 20-50 feet tall. The taller eruptions often ended in a short but powerful steam phase. During recent years, North Goggle has been irregular and or infrequent.

In 1995, North Goggle had series of minor eruptions that started after the conclusion of a Lion Series. In that year, it also had a few major eruptions. These major eruptions occurred during a Lion series instead of the conclusion of the series like the minor eruptions.

What to look for:
North Goggle is connected to Lion Geyser and closely connected to Goggles Spring. On periods of about 10 minutes, Goggles Spring and North Goggle Geyser rise and fall. At the top, of the cycle, the water over North Gaggle bounces up and down causing a slight overflow. A few bubbles may also rise to the surface. After about 30 seconds of this, the water drains back down the vent. Even if there is no eruption, this behavior is interesting to see. Eruptions come when the water level rises and stays up. First bubbles start to rise and then the water begins to boil. If it is going to erupt, the boiling will increase as will the overflow, until the eruption starts.







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A North Goggles major eruption.

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A North Goggles minor eruption.
MVI_9265.AVI



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