Land slides, Volcanoes, Earthquakes and Tsunamis — Chapter Summary
Telangana Open School (TOSS) · Class 12 · Geography
Summary of Land slides, Volcanoes, Earthquakes and Tsunamis for Telangana Open School (TOSS) Class 12 Geography.
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Overview
Natural disasters like landslides, volcanoes, earthquakes, and tsunamis are powerful forces of nature that can cause massive destruction to life and property. These events occur due to sudden movements within the Earth's crust or changes in natural systems. While they are natural in origin, their im
Key Concepts
A natural hazard is a dangerous
A natural hazard is a dangerous event like an earthquake or flood that has the potential to harm people or property. When this hazard actually causes
An earthquake is a sudden shaking
An earthquake is a sudden shaking of the ground caused mainly by the movement of tectonic plates. It can also be triggered by volcanic activity or hum
A tsunami is a series
A tsunami is a series of giant ocean waves caused by underwater disturbances like earthquakes, volcanic eruptions, or landslides. The word comes from
A volcano is an opening
A volcano is an opening in the Earth's crust that releases lava, ash, and gases from below. Volcanic activity occurs due to convection currents in the
A landslide is the downward movement
A landslide is the downward movement of rock, soil, or debris along a slope. It can be caused by heavy rainfall, earthquakes, deforestation, or constr
Learning Objectives
- Understand the difference between natural hazards and disasters
- Identify the causes and effects of earthquakes, tsunamis, volcanoes, and landslides
- Recognize the regions in India prone to these disasters
- Learn about preventive and mitigation measures to reduce risks
Frequently Asked Questions
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Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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