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bubbling mudpot - mud pool - lassen volcanic national park

Bubbling mudpot in the Lassen Volcanic National Park (California).­

A hot geothermal vent (fumarole) causes the mud pool to bubble.­ This is a common feature in volcanic areas.­

View more photos of mudpots.

For more info about mudpots, read en.­wikipedia.­org/­wiki/­Mudpot.

boiling bubbling geothermal lassen volcanic national park mud pool mudpot
Lassen Peak Highway, California, USA

Lava beds and geothermal features in the Pacific North-West.­