Twenty-eight DCO members came together from 29 April  –  4 May, 2018 at the Carnegie Institution for Science in Washington, DC to calculate a new estimate of global carbon dioxide (CO2) degassing from large volcanic emitters, small volcanic sources and diffuse degassing from volcanic regions. The synthesis of massive amounts of data was successfully tackled through a hands-on approach. Science talks were interspersed with breakout sessions, followed by more of

A joint study between Carnegie and the Woods Hole Oceanographic Institution has determined that the average temperature of Earth’s mantle beneath ocean basins was about 110 degrees Fahrenheit (60 Celsius) higher than previously thought, due to water present in deep minerals. The results are published in Science. Earth’s mantle, the layer just beneath the crust, was the source of most of the magma that erupts at volcanoes. Minerals that make

The atmosphere that allows our planet to sustain life formed from gases emitted by volcanoes early in Earth’s history. These volatile elements are constantly recycled back into the deep Earth at subduction zones, where tectonic plates sink into the mantle. During this process the sinking plate was subjected to increasing heat and pressure, and releases volatiles. These volatiles, once added to the mantle, induce melting and fuel volcanic explosions, completing

Even though carbon was one of the most abundant elements on Earth, it was actually very difficult to determine how much of it exists below the surface in Earth’s interior. Research by Deep Carbon Observatory scientists Marion Le Voyer, Erik Hauri (Carnegie Institution for Science, USA), Katherine Kelley (University of Rhode Island, USA) and Elizabeth Cottrell (Smithsonian Institution, USA) has doubled the world’s known finds of mantle carbon. Their findings,

When volcanoes erupt, they spew lava, ash, and gas into the atmosphere and over the surrounding landscape. The impacts of volcanic eruptions in populated areas are well documented, since scientists can monitor gas emissions and collect physical samples with relative ease. However, a significant fraction of Earth’s volcanoes are remote, making direct observation challenging. Some researchers have therefore turned to space-based techniques, collecting data from satellites. In a new paper published in

Turrialba volcano had deposited ash on the capital city of Costa Rica and its 3 million inhabitants numerous times since 2014. In a new article in the Journal of Geophysical Research and an online Earthchem database, a DCO-DECADE team led by Maarten de Moor (National University, Costa Rica) and Alessandro Aiuppa (Palermo University, Italy) tracked changes in gas composition and flux from 2014 to present [1,2]. The near-continuous and high-frequency gas monitoring time series (Multi-GAS and

An international team of scientists was traveling to the islands of Papua New Guinea this September to study degassing from active volcanoes in remote jungles there. An international team of scientists was traveling to the islands of Papua New Guinea this September to study degassing from active volcanoes in remote jungles there. Some of these volcanoes are among the most active on Earth, ejecting a significant proportion of global volcanic

New app shows intimate ties between volcanoes and earthquakes and gives open access to 50+ years of data on quakes, eruptions, and related emissions. On average, 40 volcanoes on land erupt into the atmosphere each month, while scores of others on the seafloor erupt into the ocean. A new time-lapse animation uniting volcanoes, earthquakes, and gaseous emissions reveals unforgettably the large, rigid plates that make the outermost shell of Earth