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eruption and how it evolves to explosive activity at the surface. The unique dataset of proximal geophysical observations and real-time video footage provides us with the opportunity to examine the entire process of a phreatic eruption. The data acquisition system is summarised in the “Methods” ...
Volcanic lightning detection has proven useful to volcano monitoring by providing information on eruption onset, source parameters, and ash cloud directions. However, little is known about the influence of changing eruptive styles on the generation of ch
Protector Seamounts represent the northernmost volcanic region of the SSVA. A submarine eruption of rhyolite lava took place at Protector Shoal—a shallow cone within 55 m of the sea surface—in 1962 (Gass et al.1963). The eruption produced an extensive pumice raft that was encountered by HMS...
Now using satellite imagery, infrared pictures, particle sensors, webcams and wind charts for all altitudes, each flight is assessed on a case-by-case basis to mitigate risk. ‘When there’s an eruption, we need to know first what we’re looking at,’ says Hoey. ‘Is it ash, steam, ...
Japan’s Meteorological Agency raised the eruption alert to the highest level of five and advised 51 residents in two towns facing the volcano to leave their homes. By Monday morning, 33 of them left their homes for a nursing care facility in a safer part of the region, according to Ka...
The importance of real-time eruption information for effective operational volcanic ash cloud monitoring by satelliteThomas, D JTupper, A
that eruption was made much more explosive by all the melted snow/ice on the volcano that mixed with the magma (however, it was likely triggered by an injection of new, hot magma). if the right ratio of water-to-magma exists, then the explosive mixing of magma and water can be self-...
The enormous eruption generated hundreds of times more power than an atomic bomb—and the most extreme lightning ever recorded. How did it happen?
For the same eruptive episode, we provide a video containing the spatial depiction of the SOM with step of 5 min over ~36 h (video SI 1). Figure 5 Application of the voting scheme to volcanic unrests at Etna in 2011 (a) and during the 2008–2009 flank eruption (b). Smoking ...