Showing 20 articles starting at article 241
Categories: Anthropology: Cultures, Geoscience: Volcanoes
Published How to better identify dangerous volcanoes
(via sciencedaily.com) The more water is dissolved in the magma, the greater the risk that a volcano will explode. A new study now shows that this simple rule is only partially true. Paradoxically, high water content significantly reduces the risk of explosion.
Published What lies beneath: Volcanic secrets revealed
(via sciencedaily.com) Lava samples have revealed a new truth about the geological make-up of the Earth's crust and could have implications for volcanic eruption early warning systems, a new study has found.
Published Threat of catastrophic supervolcano eruptions is ever-present
(via sciencedaily.com) Scientists have studied an ancient supervolcano in Indonesia and found such volcanoes remain active and hazardous for thousands of years after a super-eruption, prompting the need for a rethink of how these potentially catastrophic events are predicted.
Published Climate change will transform cooling effects of volcanic eruptions
(via sciencedaily.com) Researchers have shown that human-caused climate change will have important consequences for how volcanic gases interact with the atmosphere.
Published Minor volcanic eruptions could ‘cascade’ into global catastrophe
(via sciencedaily.com) Researchers call for a shift in focus away from risks of 'super-volcanic' eruptions and towards likelier scenarios of smaller eruptions in key global 'pinch points' creating devastating domino effects.
Published Sea levels influence eruptions on volcanic island
(via sciencedaily.com) The rise and fall of sea levels influence the likelihood of volcanic eruptions on the Greek island of Santorini, new research has discovered. Analyzing the timings of eruptions over hundreds of thousands of years, the researchers found that a 40 meter fall in sea level is a crucial point beyond which eruptions are more likely to occur. The findings could have implications for millions of people living on volcanic islands around the world.
Published Giant friction experiment at Kilauea volcano
(via sciencedaily.com) A new analysis of the 2018 collapse of Kilauea volcano's caldera helps to confirm the reigning scientific paradigm for how friction works on earthquake faults. The model quantifies the conditions necessary to initiate the kind of caldera collapse that sustains big, damaging eruptions of basaltic volcanoes like Kilauea and could help to inform forecasting and mitigation.
Published Huge volcanic eruption disrupted climate but not human evolution
(via sciencedaily.com) A massive volcanic eruption in Indonesia about 74,000 years ago likely caused severe climate disruption in many areas of the globe, but early human populations were sheltered from the worst effects, according to a new study.
Published Supervolcano fed from Earth's mantle caused crustal plates to rotate
(via sciencedaily.com) The plates of the Earth's crust perform complicated movements that can be attributed to quite simple mechanisms. That is the short version of the explanation of a rift that began to tear the world apart over a length of several thousand kilometers 105 million years ago.
Published To predict underwater volcano eruptions, scientist looks at images from space
(via sciencedaily.com) Original source A new study monitored satellite images to obtain sea discoloration data as a novel indicator in detecting if an underwater volcano's eruption is imminent.
Published Like a molten pancake
(via sciencedaily.com) Original source Why magma flowed along a curved pathway during the 2018 eruption of a Galapagos volcano is explained by a new model.