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The Apoyo Caldera in Nicaragua was the site of a major volcanic eruption 24,500 years ago. New research suggests the eruption, and others like it, could have released gases that temporarily depleted the ozone layer. | Steffen Kutterolf
Tech

Large Eruptions Could Eat Away at Ozone Layer

Studies of 14 volcanoes in Nicaragua over the past 70,000 years show a large eruption could thin the ozone layer for several years.

June 13, 2012
3:00 AM EDT