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Geophysical Phenomenon- Earthquakes & Tsunamis - Geography, UPSC Mains Exam Video Lecture
FAQs on Geophysical Phenomenon- Earthquakes & Tsunamis - Geography, UPSC Mains Exam Video Lecture
| 1. What causes earthquakes and tsunamis? |  |
Ans. Earthquakes are caused by the sudden release of energy in the Earth's crust, usually due to the movement of tectonic plates. Tsunamis, on the other hand, are usually triggered by underwater earthquakes or volcanic eruptions that displace large amounts of water, leading to the formation of massive ocean waves.
| 2. How are earthquakes and tsunamis measured and classified? | |
Ans. Earthquakes are measured using seismographs, which record the seismic waves produced by the earthquake. The magnitude of an earthquake is determined using the Richter scale, which measures the amplitude of these waves. Tsunamis, on the other hand, are classified based on their height and destructive potential. The Pacific Tsunami Warning Center uses a scale from 1 to 10 to categorize tsunamis.
| 3. Can earthquakes and tsunamis be predicted? | |
Ans. While scientists have made significant progress in understanding the causes and behavior of earthquakes and tsunamis, accurate prediction of these events is still challenging. Various monitoring systems, such as seismographs and ocean buoys, help in detecting and monitoring potential earthquake and tsunami activity. However, the precise timing and location of these events remain unpredictable.
| 4. What are the potential impacts of earthquakes and tsunamis? | |
Ans. Earthquakes can cause widespread damage to buildings, infrastructure, and human lives. The severity of the impacts depends on factors such as the magnitude of the earthquake, the proximity to populated areas, and the building standards in place. Tsunamis, on the other hand, can lead to coastal flooding, destruction of coastal communities, and loss of lives and property.
| 5. How can individuals and communities prepare for earthquakes and tsunamis? | |
Ans. It is crucial for individuals and communities to have emergency preparedness plans in place to mitigate the impacts of earthquakes and tsunamis. This includes creating evacuation routes, having emergency supplies and kits, and being aware of warning systems and evacuation orders. Regular drills and education about earthquake and tsunami safety can also help in minimizing the risks associated with these natural disasters.
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Dec 17, 2024 Last updated |
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