A Muddy Mess in Indonesia

On May 29, 2006, hot mud and gas began gushing from a rice field near a gas exploration well in East Java. More than a decade later, the Lusi mud flow continues on the Indonesian island. (The name is a combination of lumpur, the Indonesian word for mud, and Sidoarjo, the location of the flow). Over the years, flows of boiling mud from Lusi have displaced more than 40,000 people, destroyed 15 villages, and caused nearly $3 billion in damage. It has become one of the most dramatic and damaging eruptions of its type. Some villages have been buried by layers of mud 40 meters (130 feet) thick. The mud, which has a consistency similar to porridge, pours constantly from Lusi’s main vent. Every thirty minutes or so, surges in the flow send plumes of water vapor, carbon dioxide, and methane shooting tens of meters into the air.

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