Current Affairs, TLP-UPSC Mains Answer Writing
How do the tectonic processes and geological features of the Eastern Mediterranean region contribute to the occurrence of earthquakes and related hazards? Explain.
पूर्वी भूमध्यसागरीय क्षेत्र की विवर्तनिक प्रक्रियाएँ और भूगर्भीय विशेषताएं भूकंप और संबंधित खतरों की घटना में कैसे योगदान करती हैं? व्याख्या करें।
Approach
A simple straightforward question where candidates need to write about how tectonic and geological features of eastern Mediterranean region contribute to the occurrence of earthquake and related hazards in the region.
Introduction
The tectonic processes in the eastern Mediterranean region are complex and include the interactions between several major tectonic plates, including the African, Eurasian, and Arabian plates. The region is characterized by numerous active faults, including both strike-slip faults and subduction zones, which can lead to earthquakes and related hazards.
Body
- The eastern Mediterranean region is located at the intersection of the African, Eurasian, and Arabian plates, making it a highly active tectonic zone.
- The complex interactions between these plates result in significant geological features such as mountain ranges, basins, and faults, and contribute to the occurrence of earthquakes and related hazards.
- One of the major features of the eastern Mediterranean region is the Hellenic arc, which is a series of subduction zones located between the Aegean Sea and the eastern Mediterranean.
- Subduction zones occur when one tectonic plate is forced beneath another, which can result in large earthquakes and tsunamis.
- The Hellenic arc is one of the most active subduction zones in the world, and is responsible for numerous earthquakes and associated hazards such as landslides, tsunamis, and volcanic eruptions.
- The region is also characterized by several major transform faults, including the North Anatolian Fault and the Dead Sea Transform, which are responsible for some of the largest earthquakes in the region.
- These faults are associated with the tectonic movement of the Arabian plate against the Eurasian plate, which causes stress and tension to build up in the earth’s crust.
- When this stress is released, it can result in large earthquakes that can cause significant damage and loss of life.
- In addition to the tectonic processes, the geological features of the eastern Mediterranean region can also contribute to the occurrence of earthquakes and related hazards.
- The region is home to numerous active volcanoes, such as Mount Etna in Italy and Mount Olympus in Greece, which can produce seismic activity and trigger landslides and other hazards. The region is also characterized by several sedimentary basins, which can amplify seismic waves and increase the intensity of earthquakes.
- In addition to earthquakes, the eastern Mediterranean region is prone to a variety of other natural hazards.
- These hazards can be both geologic and atmospheric in nature and can cause significant damage and loss of life. Some of the most significant hazards in the region include,
- Landslides: The steep topography of the region, as well as the presence of active faults and seismic activity, can contribute to the occurrence of landslides.
- These landslides can be triggered by earthquakes, heavy rainfall, or other factors, and can result in significant damage
- In addition to earthquakes, the eastern Mediterranean region is also prone to a variety of other natural hazards, including:
- Severe storms: The region can experience severe storms, including tropical storms and hurricanes, which can cause significant damage to coastal areas and infrastructure.
- Flooding: Heavy rainfall can cause flash flooding, which can be particularly dangerous in areas with steep topography and narrow valleys. Coastal flooding can also occur during storms and hurricanes.
- Drought The region is susceptible to drought, which can cause water shortages in the region.
Conclusion –
The complex tectonic processes and geological features of the eastern Mediterranean region contribute significantly to the occurrence of earthquakes and related hazards. The region is highly active and prone to seismic activity, which can result in significant damage and loss of life. It is therefore essential for the region to be well-prepared for earthquakes and related hazards through effective risk management and disaster planning.