UPSC Prelims 2001·GS1·geography·geomorphology

Volcanic eruptions do not occur in the

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  1. ABaltic SeaCorrect
  2. BBlack Sea
  3. CCaribbean Sea
  4. DCaspian Sea

Explanation

The correct answer is A because the Baltic Sea is located in a stable geological region known as the Baltic Shield or Fennoscandian Shield. This area consists of very old, thick continental crust that is far away from active tectonic plate boundaries. Since volcanic activity primarily occurs along plate margins or hotspots, the Baltic Sea remains tectonically quiet and free of volcanic eruptions. In contrast, the Caribbean, Black, and Caspian Seas are situated in or near zones of active tectonic interaction where volcanic or seismic activity is possible.
geography: Volcanic eruptions do not occur in the

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