
Laach Lake, also known as Laacher See, is a caldera lake, about 9km in diameter and can be found in Rhineland-Palatinate, Germany, near the towns of Koblenz (24 km), Bonn (37 km), Andernach (8 km), and Mayen (11 km), and only 8km away from the river Rhine. The caldera was formed after the massive Laacher See eruption, which occurred about 12,900 years ago. Approximately 6km3 of magma was erupted, causing almost 16km3 of tephra to be blasted into the atmosphere. The eruption had a VEI of 6, the same VEI as the massive eruption of Mt Pinatubo in 1991, which blasted less than 10km3 of tephra out. The Laacher See eruption caused global cooling, and the tephra from the eruption can be found across Europe, with many unique minerals now being found in the area. --
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