A powerful volcano is erupting. Here’s what that could mean for weather and climate
Volcanic ash is typically a mixture of crushed ... hazardous air quality and causes a temporary cooling effect as it blocks ...
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Mysterious Source of Huge 200-Year-Old Volcanic Eruption Finally Revealed
Researchers have identified the source of a huge volcanic eruption that posed a mystery for nearly 200 years, a study reports. The event, which took place in 1831, was one of the largest eruptions ...