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Topic: Koyna

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	The Koyna Lake, Koyna-Reservoir, Picturesque Lake of Maharashtra, The Lake of Kolhapur, Lake Expedition, Lakes in India
		The Koyna Lake, Koyna-Reservoir, Picturesque Lake of Maharashtra, The Lake of Kolhapur, Lake Expedition, Lakes in India
		The ferries on the Koyna Lake are an enjoyable way of approaching the forts on its western edge.
		The famous wildlife sanctuary in this area, The Koyna wildlife sanctuary includes the eastern and western catchments of the Koyna dam-reservoir, which is a major hydroelectric project centre in western Maharashtra.
	www.indiantravelportal.com /maharashtra/lakes/koyna-reservoir.html (282 words)

	The Hindu : Koyna earthquakes may become more frequent
		Kusala Rajendran and C. Harish at the Center for Earth Science in Thiruvananthapuram claim that the spatial and temporal patterns of the recurring earthquakes in Koyna region suggest the possibility of the fault zone becoming further unstable, progressively lowering the stress needed to trigger an earthquake.
		Their conclusion is based on analysis of earthquakes that had occurred in the region since Koyna experienced the first earthquake in 1967 five years after water was impounded in the reservoir.
		According to the geologists, the ongoing seismicity at Koyna suggests that the annual loading cycles in the reservoir, that was impounded in 1962, continue to influence the overall stability of the region.
	www.hindu.com /2000/12/07/stories/08070008.htm (374 words)

	Koyna Adventure
		The Koyna Valley expedition has been an awesome experience for all of us.
		The white line on the mountains is the indicative trail.
		The Koyna Valley expedition has been an awesome ex...
	koynaexpedition.blogspot.com (168 words)

	Koyna Nagar city of Maharashtra - India
		Koyna Nagar is nestled in the Western Ghats and hence has a tolerable climate for most of the year.
		The Koyna River is a tributary of the Krishna river in western Maharashtra, India.
		Koyna Dam is one of the largest dams in Maharashtra, India.
	www.bharatheritage.in /maharashtra/koynanagar.htm (570 words)

	Folk operas of Bikaner come alive ahead of Holi; Shantiniketan's open-air classrooms taken over by bees; Chinese ...
		The town of Koyna was the epicentre of another earthquake measuring 5.1 on Richter scale on Monday, which shook the entire western part of the country.
		Koyna is located about 200 kilometres (120 miles) south of Mumbai, and has a population of about 2,500.
		The dam, at Koyna Nagar in the Patan Taluka of Satara district is a highly active seismic zone and its Shivajisagar reservoir has a capacity of 2797 million cubic metres of water.
	www.indiatraveltimes.com /special/special2005/bikaner.html (2883 words)

	Earthquake in Western Maharashtra - Mar 14, 2005
		Koyna is 112 kms from Pune and 272 kms from Mumbai.
		The Koyna dam is one of the biggest hydro-electric projects in the state.
		The Koyna dam is situated in one of the most active seismic zones of Maharashtra and in 35 years this region has witnessed more than one lakh tremors.
	www.mapsofindia.com /maps/mapinnews/2005/earthquake/maharashtra.html (298 words)

	Koyana Power Project
		Under Koyna complex main storage is constructed on Koyna river near Gadavkhop village of Patan taluka in Satara district of Maharashtra.
		The Koyna stage I and II unit were commissioned during 1962 to 1967 wit plant load factor of 80%.
		The Koyna dam is situated at Koynanagar in Patan taluka of Satara district.Its Shivaji sagar reservoir has a capacity of 2797 million cubic meters.
	ratnagiridarshan.esmartweb.com /koyna_power_project.htm (746 words)

	GPS & Structural Monitoring - Deformation Studies of Koyna Dam - GPS World
		Koyna Dam, Western India Geologists traditionally characterized the Indian peninsular plate, one of the oldest continental blocks on the earth's surface, as a stable rock that remained immune from any major seismic disturbance.
		But the December 11, 1967, earthquake at Koyna, with a magnitude of 6.9 on the Richter scale, contradicted this belief and evoked interest on the part of geologists, geodesists, dam experts, and engineers.
		The Koyna Dam, a rubble concrete structure, is an 85-meter high, 800-meter long, rock-filled structure with 872 square kilometers of catchment area.
	www.gpsworld.com /gpsworld/article/articleDetail.jsp?id=131748 (588 words)

	Ryze business networking
		Koyna region is trekker’s fantasy come true; Koyna river nests high up in the valleys of Sahyadri, is the region around which Koyna reserve lies.
		Koyna reserve was declared a sanctuary in 1985 covers over the talukas Javli and Patan covering over 422 square kilometers, extending upto Ratnagiri.
		The ferry ride fom Bamnoli to Koyna is an experience of sheer beauty passing through Shivsagar lake, which one has to cross to reach the foothills of Vasota Fort.
	www.ryze.com /posttopic.php?topicid=795880&confid=122 (1744 words)

	The Telegraph - Calcutta : Nation
		The epicentre of the quake was in the Koyna Dam region in Satara in western Maharashtra, a known zone for seismic activity, over 240 km from Mumbai.
		According to the regional weather bureau director, C.V. Veerabhadran, the quake?s epicentre was recorded at 17.2 degrees north and 73.7 degrees east in the Koyna region.
		Koyna Dam has been experiencing tremors of mild to moderate intensity every year, causing worry to the state administration about the dam?s safety.
	www.telegraphindia.com /1050315/asp/nation/story_4493493.asp (370 words)

	2.1.15 Seismic analysis of a concrete gravity dam
		In this example we consider an analysis of the Koyna dam, which was subjected to an earthquake of magnitude 6.5 on the Richter scale on December 11, 1967.
		The geometry of a typical non-overflow monolith of the Koyna dam is illustrated in Figure 2.1.15–1.
		Prior to the earthquake excitation, the dam is subjected to gravity loading due to its self-weight and to the hydrostatic pressure of the reservoir on the upstream wall.
	www.itc.virginia.edu /abaqus64/Documentation/docs/v6.4/books/exa/ch02s01aex64.html (2280 words)

	rediff.com: Koyna dam is safe: PTI
		The Koyna dam, in one of the most seismic-prone zones of Maharashtra, suffered no damage due to the earthquake which struck parts of Maharashtra early on Tuesday, according to Koyna hydroelectric project chief engineer N Huddar.
		The accelerograph on Koyna dam recorded an acceleration of 0.13 G (gravitational acceleration) in the body of the dam, he told PTI.
		The dam, at Koyna Nagar in Patan taluka of Satara district, is a highly active seismic zone and its Shivajisagar reservoir has a capacity of 2797 million cubic metres of water.
	www.rediff.com /news/2000/sep/05quake1.htm (407 words)

	Prakash Shenoy's Diary
		A moderate earthquake with a magnitude of 5.1 shook the town of Koyna in western India and was also felt in India's financial capital Bombay on Monday, the Indian weather office said.
		Koyna is about 200 kilometres south of Bombay and has a population of about 2,500.
		It is also the site of the Koyna Dam and Reservoir but police in Koyna said preliminary reports showed no damage to the structure.
	in.geocities.com /ppshenoy7/blog/koyna.htm (216 words)

	Physical Dynamics of the Earthquake (Site not responding. Last check: )
		The Koyna Dam and its reservoir, Shivaji Sagar Lake, are located in the watershed of the Krishna River in Maharashtra, India.
		The Koyna Dam and its reservoir are located along the same region as the Holocene Fault and the Koyna River Valley Fault, which is also known as the Donichiwada Fault (Allen 1982; Amateur Seismic Centre; Clark and Stiegeler 2000; Guha 1971; Gupta 1992; Reddy 2000; The Facts on File Dictionary of Earth Science 2000).
		Prior to the year 1962, the Koyna Dam had been considered free from any significant seismic (earthquake) activity, but a seismic zoning map of India, which was prepared by the Indian Standards Institution in 1962 and later revised in 1966, showed this region to be very seismic.
	www.hubcat.org /Adrienne/Koyna/Koyna_physical.htm (685 words)

	[No title] (Site not responding. Last check: )
		The Koyna Dam region is no stranger to earthquakes as tremors are a common occurance here happenning nearly every week but in a milder manner.
		Koyna has a history of a quake related tragedy as it was on December 11, 1967 that the 'Koynanagar earthquake` claimed 110 lives and rendered at least 10,000 people homeless injuring another 1500 people.
		Koyna, now sits on a similar time-bomb with tremors being experienced everyday, adding to the growing scare in the minds of the people.
	www.narmada.org /archive/dh/2000sep06.ntf.htm (378 words)

	Dams and earthquakes
		The theory that reservoir-induced seismicity led to the Koyna earthquake 32 years ago is still used by anti-dam activists.
		Prior to the Koyna earthquake, geophysical and geotechnical studies had supported the assumption that peninsular India was seismically stable.
		That the epicentre wa s located in the vicinity of the Koyna dam gave rise to speculation that the reservoir was the sole cause of the earthquake.
	www.hinduonnet.com /fline/fl1627/16270870.htm (1612 words)

	Krishna and Narmada (Site not responding. Last check: )
		THE KOYNA, built high in Satara district of the Sahyadris on one of the major tributaries of the Krishna, is a big dam, a ``major irrigation project'' in the terminology of the Indian Government.
		The areas to be irrigated by lift schemes taking water released from the Koyna reservoir include Khanapur taluk, where the struggle to build the Bali Raja Memorial Dam, a famous ``small dam'', was launched.
		The Koyna dam submerges very little forest and displaces under 10,000 people, enough to be rehabilitated.
	www.ambedkar.org /gail/Krishnaand.htm (1174 words)

	Blogger: Email Post to a Friend (Site not responding. Last check: )
		Simone comes in and asks Koyna why is she chatting with that guy the whole day.
		She tells Koyna that it seems she is in love with him.
		She tries to tell Kunal about how Koyna is talking to someone the entire day - Kunal is not really attentive as he is chatting - apni Simone ko toh aap jante hi ho - she pulls the power cord off the machine.
	www.blogger.com /email-post.g?blogID=7264675&postID=112188132553049658 (1187 words)

	Tremors rattle parts of Maharashtra
		Indian Meteorological Department in New Delhi said the quake's epicentre was in Koyna, around 300 km from Mumbai, in Satara district of Maharashtra.
		Koyna, home to one of the state's biggest hydro-electric projects, is prone to seismic activity.
		"The epicentre of the quake, which occurred at 1514 IST, is in Koyna region.
	in.rediff.com /news/2005/mar/14quake.htm (469 words)

	Devastation and dispute
		The excess water released from the Koyna dam in Maharashtra and the dams in Karnataka inundates several villages in the northern districts of Karnataka.
		On the Maharashtra side, besides the Koyna and Ujjani dams, water is stored in innumerable and unauthorised barrages and KTWs on almost all rivers and streams.
		But with Maharashtra increasing the outflow from its upstream Koyna dam (3.96 lakh cu was released on August 6) steadily, Karnataka, according to engineers at the Almatti dam site, will also have to increase gradually the outflow to 5 lakh cu.
	www.flonnet.com /fl2217/stories/20050826006413100.htm (1292 words)

	GEO THERMAL
		A reduction of 0.2 km/s in compressional wave velocity in the depth range from 6 to 11.5 km beneath Koyna region as revealed by DSS studies is not an unequivocal constraint about the existence of fluids in the shallow crystalline crust.
		Koyna earthquake of December 1967 has been studied and the focal depth estimated to be 4.5 km (refs 13, 24).
		The focal depth of the 1967 event of the Koyna was estimated to be 4.5 km (ref. 24) and the recent analysis of the subsequent earthquakes in Koyna region revealed that 60% of seismic activity is confined to the focal depth less than 6 km (ref. 19).
	www.iisc.ernet.in /currsci/nov251998/articles29.htm (2870 words)

	SABCnews.com - world/asia1pacific
		A moderate earthquake with a magnitude of 5.1 shook the town of Koyna in western India and was also felt in India's financial capital Bombay today, the Indian weather office said.
		Koyna is about 200km south of Bombay and has a population of about 2,500.
		The Koyna region has a population of approximately 20 000.
	www.sabcnews.com /world/asia1pacific/0,2172,99952,00.html (221 words)

	Koyna gets ready for summer of 2007
		The reason: With requirements for irrigation constantly on the rise, stage IV of Koyna dam that generates 1,000 MW may have to be shut down during the peak summer months of March to May if water is diverted for farming.
		The Koyna dam that has a total capacity of 98.78 TMC (thousand million cubic feet) uses 67.5 TMC for power generation and the rest for irrigation.
		The second phase of strengthening of the Koyna dam that commenced on October 15, 2005, is expected to be completed by May 31.
	cities.expressindia.com /fullstory.php?newsid=176960 (623 words)

	Untitled Document
		Seismicity associated with the Shivaji Sagar lake formed by the Koyna dam is considered to be a classic example of earthquake activity triggered by reservoirs.
		Koyna is among the four cases that have generated earthquakes of magnitude >6.0.
		It is believed that the pore pressure changes induced by the reservoir reduces the strength of the rocks leading to failure along a major fault zone in the vicinity of the dam.
	www.cessind.org /earthquakes_inindia.htm (1536 words)

	Major quake may hit Koyna in few weeks
		Gupta was one of those who theorized that the quake was the result of filling the Koyna reservoir six years earlier.
		Ever since the impounding of water, Koyna had experienced several hundred small tremors, 19 of which were of Magnitude 5.
		Koyna dam attained its peak level on 17 August 2005 for the first time after several years.
	www.mid-day.com /news/nation/2005/september/119178.htm (546 words)

	1967 Koyna (India) Earthquake Archive
		It was named "The Koyna Earthquake" because it occurred near the Koyna dam, and it is one of the mostly extensively studied induced earthquakes.
		A study of the Koyna earthquake of December 10, 1967, Bull.
		Tandon, A. and Chaudhury, H. Koyna earthquake of December, 1967.
	www.iris.edu /seismo/quakes/1967koyna (310 words)

	Crustal & dam deformation studies using GPS
		GPS network established in the Koyna region for studying the crustal and dam deformations is described, and some initial results are presented.
		The Indian Peninsular Shield, one of the oldest continental blocks on the Earth’s surface, was traditionally assumed to be a stable block; hence, the 1967 Koyna earthquake, with magnitude 7.5 on the Richter scale, came as a surprise to the earth scientists.
		The GPS network in Koyna will yield precise estimates of the deformations in the dam structure, as well as the crustal deformations in the vicinity of the dam and reservoirs, after sufficient number of repeat observations, over a long period.
	www.gisdevelopment.net /application/geology/geomorphology/geog002pf.htm (2794 words)

	GPS & Structural Monitoring - Deformation Studies of Koyna Dam - GPS World
		Because IIS and the Koyna Dam are on the same tectonic plate (Indian plate), the deformation reflected in the Koyna points with respect to IIS would yield purely the local deformations.
		At Koyna, earlier studies reported that the deflection of the dam increases very gradually for water levels up to 625 meters and increases rapidly for water levels greater than that.
		It is also possible that the high rate of loading and duration of retention of high water levels may result in the seepage of water into the fault line, thereby weakening it and progressively lowering the stress needed to trigger an earthquake.
	www.gpsworld.com /gpsworld/article/articleDetail.jsp?id=131748&sk=&date=&&pageID=3 (750 words)

	5+ quake to hit Koyna: experts
		Gupta was among those who theorised that the quake was the result of filling the Koyna reservoir six years earlier.
		Ever since the impounding of water, Koyna had experienced several hundred small tremors, 19 of which were of Magnitude 5.
		Koyna dam attained its peak level on 17 August 2005 for the first time after several years.
	www.rediff.com /news/2005/sep/21quake.htm (599 words)

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