Subject: Geography Context: Seismicity study of Arunachal Himalaya reveals low to moderate earthquakes at two crustal depths Concept: The Tuting-Tidding Suture Zone (TTSZ) is a major part of the Eastern Himalaya, where the Himalaya takes a sharp southward bend and connects with the Indo-Burma Range. This part of the Arunachal Himalaya has gained significant importance […]
Subject: Geography Context: In Assam, over 24.68 lakh people affected and death toll rises to 102 Concept: Apart from incessant rainfall during the monsoon, there are many contributory factors to yealy floods in Assam Major cause is the very nature of the river Brahmaputra —dynamic and unstable. The Brahmaputra features among the world’s top five […]
Subject: Geography Context: The first ‘Assessment of Climate Change over Indian Region” report by Ministry of Earth Sciences warned about India’s climatic vulnerabilities and stressed for need of mitigations. Findings: Temperature Surface air temperature over India has risen by 0.6°C per year during 1901-2018. Regions of North India have undergone warming more than the South, […]
Subject: Geography Context: NASA has issued a warning that a huge “Asteroid 2020 ND” will move past Earth on July 24. Concept: This asteroid is about 170 metres-long and will be as close as 0.034 astronomical units (5,086,328 kilometres) to our planet, and is travelling at a speed of 48,000 kilometres per hour. Its distance from […]
Subject: Geography Context: The India Meteorological Department (IMD) has issued a ‘Red’ alert for Mumbai for the next 24 hours owing to active weather systems leading to continuous downpour across the city and suburbs. Concept: Alerts by the IMD are colour-coded from Green to Red. Green stands for No warning: no action needs to be […]
Subject: Geography Context: Geologists have discovered a series of faults at the foot of the Himalayas. Concept: An earthquake is shaking or trembling of the earth’s surface, caused by the seismic waves or earthquake waves that are generated due to a sudden movement (sudden release of energy) in the earth’s crust (shallow-focus earthquakes) or upper mantle (some shallow-focus and all intermediate […]