mud volcano

American  

noun

1. a vent in the earth's surface through which escaping gas and vapor issue, causing mud to boil and occasionally to overflow, forming a conical mound around the vent.

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mud volcano British  

noun

1. a cone-shaped mound formed from fine mud ejected, with gases and water, from hot springs, geysers, etc, in volcanic regions

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Etymology

Origin of mud volcano

First recorded in 1810–20

Example Sentences

It said the fire had been caused by a mud volcano, which spews both mud and flammable gases.

From BBC • Jul. 5, 2021

Yesterday I waited in line to bathe in a mud volcano behind a woman in an R2-D2 swimsuit.

From Slate • Jan. 4, 2016

Researchers largely relied on computer models and comparisons with other earthquakes and mud volcano eruptions.

From New York Times • Sep. 21, 2015

Despite being the most intensely studied mud volcano ever, scientists have failed to agree on the cause of the eruption, which began in the early-morning hours of 29 May 2006.

From Science Magazine • Feb. 24, 2011

These phenomena are nearly akin to those of a mud volcano.

From Wonders of Creation by Anonymous