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What is a Mud Volcano?

Feb. 12, 2026

A mud volcano suddenly erupted in Diglipur, Andaman Islands, recently.

About Mud Volcano:

  • It is a mound of mud heaved up through overlying sediments.
  • The craters are usually shallow and may intermittently erupt mud.
  • These eruptions continuously rebuild the cones, which are eroded relatively easily.
  • Some mud volcanoes are created by hot-spring activity where large amounts of gas and small amounts of water react chemically with the surrounding rocks and form a boiling mud.
  • Other mud volcanoes, entirely of a nonigneous origin, occur only in oil-field regions that are relatively young and have soft, unconsolidated formations.
  • Mud volcanoes, also known as “sedimentary volcanoes” or “gas-oil volcanoes,”.
  • Mud volcanoes also exist on the floor of the sea and can form islands and banks that alter the topography and shape of the coastline.
  • In India, the only mud volcano lies in Baratang Island, a part of the Andaman chain of islands.

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