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Tag Archives: Volcanology
Monitoring Volcanic Eruptions Using Lightning
Volcanologist Alexa Van Eaton explains the origins of electrical activity in volcanic ash plumes and why it sometimes leads to detectable lightning. Continue reading
Real-time observations explain magma dynamics of Kilauea’s 2018 eruption
Piston-like caldera collapses drove episodic lava flows far from the summit. Continue reading
Volcano topography can distort ground deformation data
Cliff-like features could explain the anomalous measurements taken by tiltmeters deployed at Hawaii’s Kilauea and other volcanoes. Continue reading
Posted in Physics Today
Tagged Geophysics, Magma, Natural Hazards, Physics Today, Volcanology
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New tools for forecasting steam-blast eruptions
Satellite data can pinpoint predictors of future explosive activity. Read more in Physics Today…
A Kilauea eruption like no other
The famously active Hawaiian volcano typically erupts at existing fissures and triggers minor earthquakes. This latest event has no such limitations. Continue reading
Posted in Physics Today
Tagged Geology, Geophysics, Magma, Physics Today, Volcanology
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Forecasting steam-burst eruptions
Satellite data can pinpoint the locations of potentially life-threatening geothermal events. Continue reading
Posted in Physics Today
Tagged Fluid Dynamics, Geophysics, Natural Hazards, Physics, Physics Today, Volcanology
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An eruption mechanism for underwater volcanoes
A new model explains how some lava that rises from the seafloor eventually sinks back down. Continue reading
Posted in Physics Today
Tagged Fluid Dynamics, Geophysics, Physics Today, Volcanology
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Continental rift exposes mantle melting at work
Changes in the degree of melting of mantle rock explain uplift and subsidence patterns in New Zealand’s Taupo Volcanic Zone. Continue reading
Posted in Physics Today
Tagged Geology, Geophysics, Magma, Physics Today, Volcanology
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Finding the magma source for Mount St Helens
Seismic imaging reveals a cold mantle beneath the volcano and suggests that magma migrates from the east. Continue reading
Active Mud Volcano Field Discovered off Southeast Alaska
A cruise to study landslide potential along an earthquake-prone fault found a surprising methane plume. Continue reading