At the height of the volcanic impact, temperatures plummeted by as much as 1.3F degrees.
However, the USGS noted volcanic eruptions and their impact on climate change pale in comparison to human activity.
The USGS said: “While sulphur dioxide released in contemporary volcanic eruptions has occasionally caused detectable global cooling of the lower atmosphere, the carbon dioxide released in contemporary volcanic eruptions has never caused detectable global warming of the atmosphere.
“In 2015, In 2015, human activities were responsible for a projected 32.3 billion metric tons – gigatons – CO2 emissions.
