Discuss the geophysical characteristics of Circum- Pacific Zone. (150 words) 

The Circum-Pacific Zone, also known as the Ring of Fire, is a region around the Pacific Ocean that is characterized by high levels of tectonic and volcanic activity. Some geophysical characteristics of this zone include:

  • High seismic activity: The region is home to some of the most active seismic zones in the world, with frequent earthquakes and strong shaking.
  • Volcanic arcs: The Circum-Pacific Zone is home to many volcanic arcs, which are chains of volcanoes formed by the subduction of one tectonic plate beneath another.
  • Tectonic plate boundaries: The region is marked by a series of tectonic plate boundaries, including convergent boundaries (where two plates collide and one is forced beneath the other), divergent boundaries (where two plates are moving away from each other), and transform boundaries (where two plates are sliding past each other).
  • Tsunami hazards: The region is prone to tsunamis, which are giant waves caused by earthquakes, volcanic eruptions, or landslides. These hazards can cause significant damage and loss of life.
  • Geothermal activity: The Circum-Pacific Zone is also home to many geothermal areas, where hot springs, geysers, and other geothermal features are found. This activity is often related to volcanic and tectonic activity in the region.
  • Mineral resources: The region is rich in mineral resources, including oil, gas, and minerals such as copper, gold, and silver. These resources are often found in areas where tectonic plates are colliding or moving apart.
Mind map notes for UPSC
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