Articles tagged "volcanic lightning"

volcanic lightning shinmoedake april 5 2018

Shinmoedake erupts ash 6.7 km a.s.l., highest since eruptions started, Japan

A strong explosive eruption took place at Shinmoedake volcano, Kirishima mountain range in Japan, late April 4, 2018. The eruption sent ash up to 6.7 km (22 000 feet) above sea level, the highest since a series of eruptions began on March 1, the Japanese...

April 05, 2018

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Uncovering mysterious processes that produce volcanic lightning

We know that lightning in storm clouds forms when ice particles collide with each other and become electrified, but the process of how lightning forms in volcanic plumes is less clear. Now, two new studies are unraveling some of the mysteries involved. Understanding...

April 13, 2016

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Whistler waves created by volcanic lightning may help elucidate the Earth's plasmashpere

Volcanic lightning creates whistlers, very low frequency electromagnetic waves, that propagate into the magnetosphere. In the July 2015 issue of Physics World magazine, science writer Ian Randall investigates how researchers are trying to use studies on these whistlers

July 07, 2015

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Lightning discharges in the atmosphere are familiar, but what about the ones underground?

The electrical phenomenon we call lightning is not well understood. The most common interpretation involves the circulation of water vapor up and down through clouds in a process called convection. Water is heated by the Sun until it evaporates, rising into the air...

September 12, 2011