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UO-Led Expedition Probes Undersea Magma System

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A team of University of Oregon scientists is home after a month-long cruise in the eastern Mediterranean, but this was no vacation. The focus was the plumbing system of magma underneath the island of Santorini, formed by the largest supervolcanic eruption in the past 10,000 years.

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Traces of Islandic Volcanoes in a Northeastern German Lake

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Precise reconstruction of regional climate changes in the past.

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Evidence of Past Volcanic Activity in the Caribbean Sea

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Reconstructing the magnitude of past volcanic eruptions is important in informing predictions about future eruptions and hazards. This is difficult to accomplish from records on land -- old eruptions are often eroded away, buried beneath later eruptions, or obscured by vegetation and soil. Most volcanoes are close to the oceans, so much of the erupted material falls into seawater and accumulates on the seafloor.

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Earth Sciences, Vulcanology, Volcanoes, Super-eruptions

New ‘Geospeedometer’ Confirms Super-Eruptions Have Short Fuses

A new "geospeedometer" that can measure the amount of time between the formation of an explosive magma melt and an eruption confirms that the process took less than 500 years in several ancient super-eruptions.

Medicine

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Volcanoes, NSF, University of Washington, Volcanology, Mauna Loa

Simulating Path of 'Magma Mush' Inside an Active Volcano

The first simulation of the individual crystals in volcanic mush, a mix of liquid magma and solid crystals, shows the mixing to help understand pressure buildup deep inside a volcano.

Science

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Fuego, Guatemala, Volcanic Eruption, Volcanology, lava, web cam

Fuego Volcano Eruptions in Guatemala Recorded and Studied by Michigan Tech Volcanologist

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Volcanoes, Eruptions, Kilauea, Hawaii, Long Valley Caldera, California, Mono Craters, Volcanology, Geology, Urban Planning, Disaster Preparedness

American Volcanoes: Complacency, Uncertainty Contribute to Risks

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To combat complacency and improve disaster preparedness, a University at Buffalo researcher is heading a new project focusing on two locations: Kīlauea in the Hawaiian Islands, and the Long Valley caldera and volcanic field in eastern central California.

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Volcanic Eruption, Climate Change

Quantifying the Impact of Volcanic Eruptions on Climate

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Large volcanic eruptions inject considerable amounts of sulphur in the stratosphere which, once converted into aerosols, block sun rays and tend to cool the surface of the Earth down for several years. An international team of researchers has just developed a method, published in Nature Geoscience, to accurately measure and simulate the induced drop in temperature.

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Volcano, Landslide, San Vicente, El Salvador, Michigan Tech, Peace Corps, Social Geology, Geohazards, Geoscience, Social Science

Connecting People and Geology on Volcanoes

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Luke Bowman, who received his PhD from Michigan Tech this summer, gets to the heart of geohazards on the San Vicente Volcano in El Salvador.

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Earthquake, Volcano, Disaster, Mudflows, mud volcano, Geology, Geoscience, Drilling, gas exploration

Earthquake Not to Blame for Indonesian Mud Volcano

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New research led by the University of Adelaide hopes to close the debate on whether a major mud volcano disaster in Indonesia was triggered by an earthquake or had man-made origins.







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