Mention the global occurrence of volcanic eruptions in 2021 and their impact on regional environment.
The year 2021 witnessed notable global volcanic activity, causing significant regional environmental impacts. The prolonged Cumbre Vieja eruption in La Palma, Spain, saw vast lava flows inundating vast swathes of land, destroying homes, infrastructure, and invaluable agricultural areas. Ashfall impacted air quality and vegetation, while lava entering the ocean altered marine ecosystems.
In the Democratic Republic of Congo, Mount Nyiragongo's sudden eruption produced rapid lava flows that devastated communities on Goma's outskirts, displacing thousands and posing risks from toxic gas emissions.
Indonesia's Mount Semeru experienced a powerful eruption, generating destructive pyroclastic flows and subsequent lahars (volcanic mudflows) that buried villages and farmlands. These events collectively led to widespread ecological disruption, compromised air and water quality, substantial land-use changes, and altered local hydrological systems, demanding extensive recovery efforts.
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Sakshi Negi
Sakshi Negi is a Delhi-based journalist and content specialist with expertise in educational content and digital media, focusing particularly on government exam preparation and career guidance. With a degree in Journalism and Mass Communication from NRAI School of Mass Communication and her background as a Kendriya Vidyalaya alumna, she brings unique insights into the Indian education system and government sector opportunities.
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Important Questions from GS1
How far is it correct to say that the First World War was fought essentially for the preservation of the balance of power?
How far was the Industrial Revolution in England responsible for the decline of handicrafts and cottage industries in India?
The groundwater potential of the Gangetic valley is on a serious decline. How may it affect the food security of India?
What are aurora australis and aurora borealis? How are these triggered?
What is a twister? Why are the majority of twisters observed in areas around the Gulf of Mexico?
