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

My Google Earth mud volcano map of Azerbaijan gives you and idea of just how ludicrously many mud volcanoes there are both onshore and offshore.

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

During the past year, 1866, a small mud volcano has been formed in the flanks of Mount Etna.

From Wonders of Creation by Anonymous