The Geologic Oddity in Iceland; Kerid Crater

Within Iceland is a volcanic crater which is a popular tourist attraction. Known as Kerid Crater, it measures 558 feet or 170 meters wide and 180 feet or 55 meters deep and is filled with at its bottom with a crater lake. Yet, it is highly unusual as it is not a maar explosion crater like originally suspected for many decades. It is also not a caldera. Instead, it has a different origin which makes Kerid Crater a fascinating geologic oddity.

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0:00 Kerid Crater
0:17 Maar Craters
0:34 Similarity to Caldera
1:46 Plate Boundary
2:21 Kerid Crater Formation
4:28 Conclusion