What are the potential dangers of approaching active volcanoes?

Jun 19, 2020 ... The volcanic ash was electrically conductive which meant it could cause thunder and lightning, or St Elmo's Fire – an effect where metal parts ... IVESPA is a new observational database of independent eruption source parameters. It contains all parameters required to validate explosive eruptive column ... Within these broad eruptive types are several subtypes. The weakest are Hawaiian and submarine, then Strombolian, followed by Vulcanian and Surtseyan. The ... Aug 1, 2019 ... Scientists think that as the plume of ash and water vapor rises from the volcano, ice begins to form in its highest layers. From there, ... The idea that technology could mimic this volcanic cooling effect, known as Stratospheric Aerosol Injection (SAI), involves spraying sulfur dioxide or other ... Volcanic eruptions can be explosive, sending ash, gas and lava high up into the atmosphere, or the magma can form lava flows, known as effusive eruptions. Mar 12, 2025 ... A 2025 volcanic eruption at Mount Spurr near Anchorage is “likely” according to a new bulletin by the Alaska Volcano Observatory. The timing of ... Feb 28, 2019 ... A NASA-NOAA satellite confirmed Manaro Voui had the largest eruption of sulfur dioxide that year. The volcano injected 400,000 tons of sulfur ... A volcano eruption happens when magma below the surface rises to the top of the mountain, causing gas and bubbles to appear. Pressure from this gas can build so ... Jan 16, 2018 ... The Deadliest Volcanic Eruption in History. It killed 100,000 people in the direct impact. But it led to tens of millions more deaths later.