Does volcanic eruptions affect the weather patterns?



  1. 0 Votes

    Yes, but with more emphasis on climate change. In June of 1783, the volcano Laki had a huge eruption that created a fog over Europe and an unusually cold winter that followed in 1783-84. In the spring of 1815, the huge eruption of Mount Tambora was believed to cause the famous “year without summer” in the U.S. the following year. This cooling effect happens because volcanoes eject material into the atmosphere, “veiling” the Earth from some of the sun’s radiation, so it isn’t able to warm the Earth as much as usual. I would furthermore expect these cooler temperatures to put a damper on storms that rely on warm weather, like hurricanes, tornadoes, etc.

  2. 0 Votes

    In addition to what elifitz explains, there is often much rain, lightening and thunder during a volcanic eruption. This is due to the ash particles in the atmosphere collecting water droplets. 

  3. 0 Votes

    It’s believed that a caldera explosion from the Toba super volcano on Sumatra may have caused humanity to become nearly extinct at least 73,000 years ago.  The explosion disrupted global ecosystems and reduced our race to only 10,000 individuals.

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