GS1 · Topic
Geophysical Phenomena
Earthquakes, tsunamis, volcanic activity and related hazards as a group.
51 UPSC Mains GS1 questions on Geophysical Phenomena that toppers answered in test series, CSE 2016–2025, most answered first. Open one to see how toppers opened, built and closed it.
Discuss the processes involved in volcanism. Highlight the major volcanic regions in the world and their associated tectonic settings.
10 marks · 150 words · Answered by 8 toppers · CSE 2022–2025
Geophysical PhenomenaPlate tectonics
To what extent does seismic investigation contribute to our understanding of the Earth's interior structure? Analyze its significance in detail.
10 marks · 150 words · Answered by 5 toppers · CSE 2022–2024
Geophysical PhenomenaPlate tectonics
What are rift valleys, and how are they formed? Explain their geomorphological and economic significance.
15 marks · 250 words · Answered by 4 toppers · CSE 2023–2025
GeomorphologyGeophysical Phenomena
How does the movement of continental plates help explain the spatial distribution of earthquakes in specific regions of the world? Illustrate with examples.
10 marks · 150 words · Answered by 3 toppers · CSE 2023–2025
Plate tectonicsGeophysical Phenomena
What are the characteristics of anticyclonic circulations, and how do they influence weather patterns over the Indian subcontinent?
10 marks · 150 words · Answered by 3 toppers · CSE 2023–2024
ClimatologyGeophysical Phenomena
Explain the mechanism and occurrence of earthquake. With the help of map given below, throw light upon the vulnerability of regions affected by earthquake and earthquake related disasters.
15 marks · 250 words · Answered by 3 toppers · CSE 2021–2024
Geophysical PhenomenaPlate tectonics
What do you understand from land subsidence? Explaining various reasons behind land subsidence, recommend measures to arrest the calamity.
10 marks · 150 words · Answered by 3 toppers · CSE 2021–2024
Geophysical PhenomenaHimalayas
With accelerating glacial melt in the Himalayas, GLOFs pose a severe hazard downstream. Analyse the causes, impacts, and mitigation strategies related to GLOFs in India.
15 marks · 250 words · Answered by 3 toppers · CSE 2025
HimalayasClimate Change
Incidence of extreme rainfall events and flash floods in recent times has led to devastating consequences for major cities of India. Analyse.
15 marks · 250 words · Answered by 3 toppers · CSE 2025
FloodsUrbanization
Why are hilly regions more vulnerable to cloudbursts? Describe their impact and suggest suitable strategy for mitigating their adverse effects.
10 marks · 150 words · Answered by 2 toppers · CSE 2023
Geophysical PhenomenaHimalayas
Enumerate the reasons behind rising intensity and frequency of cyclones in the Arabian Sea in recent years. Giving special reference to NDMA guidelines, recommend measures to check the adverse impacts of cyclones.
15 marks · 250 words · Answered by 2 toppers · CSE 2020–2023
CyclonesClimate Change
What factors are responsible for landslides in the Western Ghats? Discuss some mitigation measures to minimize their impact.
15 marks · 250 words · Answered by 2 toppers · CSE 2023–2025
Geophysical PhenomenaClimatology
What factors can be attributed to the rising incidents of Glacial Lake Outburst Floods (GLOFs) in the Himalayan region? Discuss with examples.
10 marks · 150 words · Answered by 2 toppers · CSE 2025
HimalayasClimate Change
What are the suitable conditions for the formation of a tropical cyclone? Also, bring out differences between a tropical and an extra-tropical cyclone.
10 marks · 150 words · Answered by 2 toppers · CSE 2023–2024
CyclonesClimatology
Briefly discuss the role of plate tectonics theory in explaining the location of volcanoes. Also, explain the multifarious impacts of volcanoes on the surrounding regions.
10 marks · 150 words · Answered by 2 toppers · CSE 2020–2023
Geophysical PhenomenaPlate tectonics
Write an explanatory note on the global distribution of earthquakes with the help of the map given below. Also, throw light on the various consequences associated with earthquakes.
15 marks · 250 words · Answered by 2 toppers · CSE 2022–2024
Geophysical PhenomenaPlate tectonics
Mention the global occurrences of major tropical cyclones in 2023 and 2024. Also, explain their impacts on local communities.
10 marks · 150 words · Answered by 2 toppers · CSE 2023–2024
CyclonesGeophysical Phenomena
Explain the formation of islands in the Indian Ocean Region with suitable examples.
10 marks · 150 words · Answered by 2 toppers · CSE 2023–2024
Geophysical PhenomenaPlate tectonics
Non-alignment as an ideology: Discuss its relevance in the context of Indian foreign policy and international relations. 4- Define Volcanism and discuss its major volcanic regions and tectonic settings.
Answered by 1 topper · CSE 2023
Geophysical PhenomenaPlate tectonics
(Explosive and Effusive Volcanic Eruptions) How do explosive and effusive volcanic eruptions shape the topography and geology of volcanic regions?
15 marks · 250 words · Answered by 1 topper · CSE 2024
Geophysical PhenomenaGeomorphology
"The measurement of the intensity and magnitude of earthquakes is a complex and sophisticated process that requires a deep understanding of seismology and advanced technology". In this regard discuss the method of measuring the intensity and magnitude of earthquakes and highlight the seismic zones of India.
10 marks · 150 words · Answered by 1 topper · CSE 2023
Geophysical PhenomenaPlate tectonics
The Recent landslides in the hilly states of India have resurfaced the vulnerabilities of the Himalayan region. In this context, discuss the factors responsible for increased occurrence of landslides in the region.
10 marks · 150 words · Answered by 1 topper · CSE 2022
HimalayasGeomorphology
What are marine heatwaves? Examine the causes of the increasing frequency of marine heatwaves. How do they influence the onset of the summer monsoon in India?
15 marks · 250 words · Answered by 1 topper · CSE 2025
Geophysical PhenomenaClimatology
Explain the importance of seismic waves in understanding the internal structure of the earth. 8) Discuss the impact of demographic transition on India's growth and development.
Answered by 1 topper · CSE 2024
Geophysical PhenomenaPlate tectonics
Compare the Continental Drift Theory and Plate Tectonic Theory. How does Plate Tectonic Theory explain orogenesis and volcanism?
15 marks · 250 words · Answered by 1 topper · CSE 2023
Plate tectonicsGeophysical Phenomena
What are mid-oceanic ridges? Discuss their formation and significance in understanding sea-floor spreading.
15 marks · 250 words · Answered by 1 topper · CSE 2025
Geophysical PhenomenaPlate tectonics
Identify the main volcanic belts of the world. What are the positive effects of volcanic eruptions?
10 marks · 150 words · Answered by 1 topper · CSE 2024
Geophysical PhenomenaPlate tectonics
What are Northern and Southern lights? Explain the phenomenon and discuss their associated impacts on Earth's atmosphere and human activities.
10 marks · 150 words · Answered by 1 topper · CSE 2024
Geophysical Phenomena
Explain the meaning of colour-coded weather warnings for:
10 marks · 150 words · Answered by 1 topper · CSE 2024
Geophysical PhenomenaWeather Phenomena
Enumerate the global targets and priorities for action of the Sendai Framework for Disaster Risk Reduction. Discuss the positive features and limitations of the framework.
Answered by 1 topper · CSE 2016
Geophysical Phenomena