Geology

Judgment of the National Green Tribunal regarding illegal mining of soapstone in village Papon, Bageshwar district, Uttarakhand, 22/04/2025

Judgment of the National Green Tribunal in the matter of Raghubir Singh Garia Vs State of Uttarakhand & Others dated 22/04/2025. The matter related to illegal mining of soap stone in village Papon, District Bageshwar, Uttarakhand. The complainant, a resident of the village said that illegal mining of soap stone …

Clusters of moderate size earthquakes along Main Central Thrust (MCT) in Himalaya

The Main Central Thrust (MCT) in Himalaya is seismically active in segments. In recent times, strain release within these active segments produce five spatial clusters (A to E; Figure 1). The seismicity within the cluster zones occurs in two depth bands; corresponding to the base of upper and lower crust. …

Dam at fault

CALL it a pressing need to meet the growing thirst of the Mumbai metropolitan area or plain negligence, but the Maharashtra government is building a dam in a quake-prone zone. Worse, work is going on without environmental clearance or the consent of people who stand to lose their homesteads, livelihoods …

Post-mortem of the Japanese earthquake provides new insights

Much has been written about the 11 March 2011, Mw 9.1 Tohoku-Oki earthquake, that occurred off the northern Japanese coast owing to the unprecedented fury of the tsunami it generated and the destructive impact it had on a coastal nuclear power plant in northern Japan. In any case, the Japanese …

6.6-magnitude quake hits Papua New Guinea

A shallow 6.6-magnitude earthquake struck off the New Britain coast of Papua New Guinea today, the USGS said, but no tsunami warning was issued. The US Geological Survey put the depth of the quake at just 21 kilometres, although Geoscience Australia said it was 37 kilometres. The quake struck 175 …

United plates of America: The making of a new world

The collision of North and South America changed the Earth's climate dramatically – and may have happened far earlier than we thought. http://www.newscientist.com/article/mg21028161.600-united-plates-of-america-the-making-of-a-new-world.html?full=true&print=true

Delineation of groundwater potential zones by using electrical resistivity survey of Muddanur Mandal, Y.S.R. District, Andhra Pradesh

Electrical resistivity studies at 56 locations in an around Muddanur area has been carried out. The main lithological units in the study area are quartzites, shale and limestones. The data were interpreted with the help of master curves and auxiliary point charts. The study reveals that the weathered and fractured …

NMDC to acquire stakes in 3 mines Down Under

National Mineral Development Corporation (NMDC) is all set to acquire stakes in two iron ore mines and a phosphate mine in Australia this week to bolster its resource base. It would sign two MoUs to acquire at least 50 per cent stakes in Legacy Iron Ore and Stellar Resources in …

Time to rethink megaquakes

For more than 1000 years, we have known that the seas off the coast of Sendai in Japan can turn treacherous. An account of how one quake unleashed a flood that swept away a castle town can be found in Nihon Sandai Jitsuroku (The True History of Three Reigns of …

Soil as seismic radar

AN EARTHQUAKE measuring 8.9 on the Richter scale recently shook Japan, causing a massive tsunami. Changes in groundwater electrical conductivity and soil radon gas can help predict an earthquake in quake-prone regions, according to a team of geologists in India. Earlier studies by Japanese scientists have shown that prior to …

The 11 March 2011 Tohoku (Sendai), Japan earthquake

The 11 March 2011, Mw 9.0 Tohoku earthquake, already among the most destructive earthquakes in modern history, emanated from a fault rupture that extended an estimated 450 km along the Pacific coast of Honshu, the largest Japanese island. What makes some experts, including Hiroo Kanamori who has spent a lifetime …

Time clustering of earthquakes in the SumatraAndaman and Himalayan regions

Increased frequency of earthquakes in the Sumatra–Andaman region in the past 10 years reflects time clustering of earthquakes and does not necessarily imply low recurrence interval of earthquake in the region. Time clustering of earthquakes can occur either due to the stress change (either through static or dynamic stress transfer) …

Meghalayato monitor mining - Rivers dying: Lanong

Shillong, March 23: Meghalaya deputy chief minister Bindo Lanong, who also holds the mining and geology portfolio, said the proposed mining policy would have provisions to maintain ecological balance. Major rivers in Jaintia hills are getting polluted because of unscientific coal mining. Replying to a call attention motion by Opposition …

Assembly approves geo-spatial Bill

It seeks to use technology for planning, executing development projects. The Delhi Assembly on Wednesday approved by voice vote the Delhi Geo-spatial Data Infrastructure (Management, Control, Administration, Security and Safety) Bill, 2011, which seeks to use geo-spatial technology for planning and executing various development projects and utility services. With the …

spotlight 7-km-deep bore in Maha to predict quakes

SYED AKBAR HYDERABAD March 21: A seven-km deep bore hole will be dug in Maharashtra to gain firsthand information about what causes earthquakes in "stable" areas. The bore hole, the first of its kind in the world, will provide Indian geophysicists clues about the physical, geological and chemical processes and …

Imperialism, geology and petroleum: History of oil in colonial Assam

In the last quarter of the 19th century, Assam’s oilfields became part of the larger global petroleum economy and thus played a key role in the British imperial economy. After decolonisation, the oilfields not only turned out to be the subject of intense competition in a regional economy, they also …

Cave deposits throw light on monsoon pattern

HYDERABAD: Do you know that cave deposits provide vital information on how the Southwest Monsoon behaved several thousand years ago? That is what was found out by scientists from the National Geophysical Research Institute (NGRI) by studying oxygen isotopes of the white or light brownish structures (stalagmites) found in different …

Tribal institute bags e-governance award

MUMBAI: A project on the use of geoinformatics in the implementation of the Forest Rights Act, 2006 in Maharashtra by the Tribal Research and Training Institute (TRTI), Pune has been given the National e-Governance award, 2010-11 (Silver) in Aurangabad on Thursday. Even though Maharashtra has a poor track record of …

Indian in world's `top 10 innovators' list

Energy summit CHANDIGARH: Chandigarh-based hydro-geologist Ritesh Arya, who holds the Guinness record for drilling the world

Rohmorias challenge: Natural disasters, popular protests and state apathy

Rohmoria, in the upper reaches of the Brahmaputra river in Assam, is severely affected by river-borne erosion. Efforts to get government help in combating this erosion passed through different stages of peaceful agitation and ultimately took a political character. People

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