According to the Science XXI portal, we are talking about Zavaritsky Vulcan, located in the remote part of the Pacific Ocean on the Kuril Islands. The last activity of the volcano was observed in 1957 and Zavaritsky Vulcan is still not studied enough.
This volcano is located on the island of Simushir, a part of the Kuril archipelago. The difference between Zavaritsky Vulcan is a complex structure that surrounds the center of the central lake and the intertwined past.
According to the explanations, the center of the volcano “partially reddish lifeless slopes surrounded by a young calder.” Since 1910, small explosions have taken place in Kaldera, as a result of the slag cones, as well as lava domes. The explosion of 1957 formed a dome of 350 meters wide and 40 meters high, which partially filled the lake.
According to the latest studies published in the NASA Earth Observing, the explosion of the Zavaritsky volcano in 1831 “threw a few metric tons of sulfur into the stratosposphere, which led to the cooling of the northern hemisphere per Celsius.” This was enough to provoke a worldwide cooling.
“The historical proof of that time defined the unusual phenomena: it looked green, purple and blue because the sunlight was dispersed by volcanic particles in the atmosphere. Scientists compared the chemical composition of the volcanic material from the ice seeds with the material of the last major explosion and confirmed the connection of these phenomena with Zavaritsky Vulcan. ”
Source: Ferra
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