Uturuncu Volcano

April 29, 2025

Scientists from China, the UK, and the U.S. have collaborated to analyze the inner workings of Bolivia's "zombie" volcano, Uturuncu, and identified the causes of Uturuncu's unrest, alleviating fears of an imminent eruption.

About Uturuncu Volcano:

  • It is located in southwestern Bolivia, within the Andes Mountains.
  • It is a stratovolcano dominated by dacitic lava domes and flows.
  • Elevation: About 6,008 meters (19,711 feet) above sea level — it is the tallest mountain in the southern part of Bolivia.
  • Uturuncu last erupted 250,000 years ago, yet is seismically active and lies at the centre of a 70 km diameter uplifted region.
  • Uturuncu sits above an enormous and extremely deep underground reservoir of magma named the Altiplano-Puna Magma Body (APMB), which stretches beneath southern Bolivia, northern Chile, and northern Argentina.
  • Uturuncu is known as a "zombie" volcano because of its ongoing but non-eruptive activity.
  • The "zombie"-like unrest of Uturuncu is due to the movement of liquid and gas beneath the crater, with a low likelihood of an imminent eruption.

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