Wandan mud volcano

The Wandan mud volcano in Wandan Township, southern Taiwan, erupted on June 26, spewing bubbling mud from four separate vents. The ejected material reached a height of 6.6 feet (2 meters).

Understanding Mud Volcanoes

• Nature: Mud volcanoes are vents or fractures in the Earth’s surface through which natural gas (like methane) escapes, carrying with it a slurry of mud and sand.
• Distinction from “Real” Volcanoes:
  • Unlike traditional volcanoes, which erupt molten rock (magma becoming lava) and hot gases, mud volcanoes do not involve molten rock.
  • They are generally not as hazardous as real volcanoes because they only emit warm mud, and their impact is typically localized (a few hundred meters around them).
• Geothermal vs. Gas-Driven: While some mud volcanoes are linked to hot geothermal activity (like those in Yellowstone National Park), the Wandan mud volcano is the more common type, primarily driven by escaping natural gas.
• Presence of Natural Gas: Mud volcanoes are commonly found in areas where natural gas is present underground.
• India’s Mud Volcano: In India, the only known mud volcano is located on Baratang Island, part of the Andaman chain of islands.

(Sources: Live Science & UWI)