Lightning through the ash cloud of Taal Volcano (x)

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Lightning through the ash cloud of Taal Volcano (x)
Mt. Etna is erupting
Eruption of Mount Vesuvius - 1944.
Impressive lightning generated by charge separation in the ash clouds of the Colima volcano. Photo credit: Sergio Tapiro
Lapilli, meaning ‘little stones’ in Latin, can have diverse origins, but the example shown on a photograph is more precisely called accretionary lapilli.
Accretionary lapilli form during a volcanic eruption in the ash cloud. When big volcanic eruption occurs, a volcano will blow a huge cloud into the atmosphere. Such cloud will contain massive boulders, smaller rocks, volcanic ash and gases etc. Rocks are heavy, so they fall back down fast, however, ash and gases do not. The most abundant and important in this process gas is a water vapour.
Mix fine ash and water vapour/steam together and what you get is an airborne mud. Water vapour sticks ash particles together, so as the huge turbulent ash cloud grows and mixes, more and more ash particles come together to form little balls (lapilli) which then rain down like hail once they get too heavy.
This layer formed after such rock rain in Hawai’i Island (Big Island).
From January 13, 2020 — still mesmerizing!
From National Geographic Photo of the Day; October 9, 2018:
Tower of Smoke Daiva Baleviciute, National Geographic Your Shot
Guatemala's Volcán de Fuego, or Volcano of Fire, is one of the most active volcanos in the world. Two months after this photo was taken, in June 2018, the volcano erupted, killing and injuring hundreds of people.
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Dirty thunderstorm occurs over Mount Sakurajima as the volcano erupts violently..