Hazard a Guess?
The riskiest science quiz you will ever take!
True or False: Lightning that takes place during a volcanic eruption is the same as lightning that occurs during a thunderstorm?
Scroll down to see the answer
Answer: Ah ha! Trick question...it's both!
There are two main types of electrical charging that lead to lightning during a volcanic eruption: 1) "frictional charging" from colliding particles of volcanic ash and 2) “ice charging" from the freezing and growth of ice and hail. The first happens during all types of explosive eruptions, because there are always ash particles colliding with each other, especially close to a volcano’s vent. However, “ice charging” only occurs when the ash plume reaches high into the freezing-cold parts of the atmosphere. When this happens, the electrification becomes much more intense, and more like a regular thunderstorm.
To learn more about the USGS’s role in volcano hazards science and research, visit our Natural Hazards page for “Volcano Hazards” at https://on.doi.gov/2tUHpsT
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