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The ongoing eruption at Hawaii’s Kilauea volcano refuses to let up after scientists say the eighth eruptive episode began late Monday night and sent lava shooting high into the air.
Land swelling is common prior to volcanic eruptions, and Professor Thorvaldur Thordarson said the ground is now rising some 5.5 times faster than it did 10 days ago, with the flow of magma into ...
People will ‘just have to wait in suspense for next few days’ to see what happens in Iceland, warns Met Office
The plume hypothesis was simulated by laboratory experiments in small fluid-filled tanks in the early 1970s. [12] Thermal or compositional fluid-dynamical plumes produced in that way were presented as models for the much larger postulated mantle plumes. Based on these experiments, mantle plumes are now postulated to comprise two parts: a long ...
Member A and B were sourced from separate magma reservoirs prior to eruption, [19] at a depth range of 3–6 km (1.9–3.7 mi) [20] and a temperature of 790–815 °C (1,454–1,499 °F). [21] The eruption of member B was probably triggered by a combination of an injection of new silicic magma into the reservoir and volatile exsolution from ...
In 2009, a video camera and a hydrophone were floating 1,200 metres (3,900 ft) below sea level in the Pacific Ocean near Samoa, watching and listening as the West Mata Volcano erupted in several ways. Putting video and audio together let researchers learn the sounds made by slow lava bursting and the different noises made by hundreds of gas ...
The second-largest volcano in Hawaii had been lying dormant for the last two months after bursting open in January and June this year. “The opening phases of eruptions are dynamic,” said USGS ...
[9] One of the important fission products is krypton-90, a radioactive noble gas. It diffuses easily in the cloud and undergoes two decays to rubidium-90 and then strontium-90, with half-lives of 33 seconds and 3 minutes. The noble gas nonreactivity and rapid diffusion is responsible for depletion of local fallout in Sr-90, and corresponding Sr ...