Hot Water Treasures
> Types of Thermal Features > Geysers
WHAT IS A GEYSER?
“Geysir,” an Icelandic word meaning “to gush
or rage,” is the origin of the word “geyser.”
A geyser is defined as a hot spring that erupts periodically
and forcefully because of pressure from underlying gases. Geysers
must have plentiful water,
a source of tremendous heat,
and a unique plumbing
system to exist.
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