Perhaps the most powerful earthquake?

Earthquake in the Mississippi Valley in its consequences is one of the strongest in America. But in the history of the Earth known and more powerful tremors; example is the earthquake in Assam, which occurred on June 12, 1897. As during the earthquake Nõo-in Madrid, in a large area, substantial bias, but this time they were vertical. It is hard to put into words all dramatic experience: sight was truly amazing when located south of Indian River Brahmaputra Assam mountain height of 1200 meters - the remains of the ancient plateau Sylhet - suddenly began to rise. Later surveyors noted that as Read more [...]
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Earth faults

The link faults with earthquakes was first noticed in 1819 during the famous tremors in Ran-of-Kutch on the coast of India. Extensive lowland area on one side of the fault has dropped below sea level, and on the other side of an area of land for 130 miles was raised by 6 meters. Since traces of fractures in the Earth's surface there were observed after many earthquakes. Such vertical displacement of rock lead to the appearance on the surface of the Earth changes and faults. The repeated repair the fault for a long time, these benches can become very large, clearly visible in the landscape, Read more [...]
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What is a tsunami

The phenomenon of tsunami old as the ocean. Eyewitness 0 terrible waves, transmitted by word of mouth, eventually became legends, and about 2000 - 2500 Lech ago appeared and written evidence. According to one of them died of Atlantis. Among the possible reasons for the disappearance of the island and the researchers called a tsunami. £ The burden of accomplishment of this grand event belongs to antiquity ^ - 2500 years ago. Clearly, w cht0 about what scientific examination of phenomena did not mogd0 the question. The study was made possible LISH tsunami following the emergence and development Read more [...]
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Tsunami in Sakhalin

Earthquake September 6, 1971 in the area of the island Moneron is a rare event. Such features it deserves at least because of the two features. First, on record in the area of Sakhalin earthquake so much energy (M = 7.2) had never mentioned. Second, despite the shallow water of this part of the Tatar Strait, the earthquake still excited tsunami. Tsunami tide-gauge recorded many settings: Sakhalin (in points Kholmsk, Nevelsk m Crillon, Korsakov), Primorye (Sovetskaya Gavan and Adimi), Kuril Islands (Kuril), Japan (Rebun Islands and Hokkaido). Uzho cited eyewitnesses, were almost at the epicenter Read more [...]
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Requirements for Workplace

Room dimensions are determined by the type of display. Display with CRT involves the following room sizes: size - 20 m, height - at least 3 m, floor - not less 6 m2, LCD display - 1520 m3, respectively, 3 m and 4.5 m 2. Desktop must be adjusted in height from 680-800 mm with screen located above the floor at a height of 900-1280 mm. System size working table for the computer on which the calculated structural dimensions, should be considered as a width of 800, 1000, 1200 and 1400 mm, a depth of 800-1000 mm (irregular table height 725 mm). Desktop should have room for the legs. Dimensions of Read more [...]
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Siren — 40

Siren - 40 Purpose: The siren is designed to provide acoustic signals in the open air in an emergency.SPECIFICATIONS: ParametrZnachenie Sound pressure level, dB (At a distance of 1 m from the impeller) 90 frequency sound waves, 500 Hz Rated power of the motor horn, 0.75 kW Rated speed r / min 3000 Feature mains AC, three-phase, 380 V, 50 Hz nominal diameter of the impeller, 280 mm nominal height of the impeller 110 mm dimensions elektrosireny, mm: height diameter Weight, kg, not more than 430 325 18 Read more [...]
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Siren — 28

Siren - 28 Appointment: Electric siren C-28 is designed to sound noisy environments (shops).SPECIFICATIONS:ParametrZnachenie Sound pressure level, dB (At a distance of 1 m from the impeller) 118 frequency sound waves, 450 Hz Rated power of the motor siren, kW 3.0 Rated speed r / min 3000 Feature mains AC, three-phase, 380 V, 50 Hz nominal diameter of the impeller, 400 mm nominal height of the impeller 110 mm dimensions elektrosireny, mm: height diameter Weight, kg, not more than 400 740 42 Read more [...]
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Siren — 28

Siren - 28 Appointment: Electric siren C-28 is designed to sound noisy environments (shops).SPECIFICATIONS:ParametrZnachenie Sound pressure level, dB (At a distance of 1 m from the impeller) 118 frequency sound waves, 450 Hz Rated power of the motor siren, kW 3.0 Rated speed r / min 3000 Feature mains AC, three-phase, 380 V, 50 Hz nominal diameter of the impeller, 400 mm nominal height of the impeller 110 mm dimensions elektrosireny, mm: height diameter Weight, kg, not more than 400 740 42 Read more [...]
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Siren — 40

Siren - 40 Purpose: The siren is designed to provide acoustic signals in the open air in an emergency.SPECIFICATIONS: ParametrZnachenie Sound pressure level, dB (At a distance of 1 m from the impeller) 90 frequency sound waves, 500 Hz Rated power of the motor horn, 0.75 kW Rated speed r / min 3000 Feature mains AC, three-phase, 380 V, 50 Hz nominal diameter of the impeller, 280 mm nominal height of the impeller 110 mm dimensions elektrosireny, mm: height diameter Weight, kg, not more than 430 325 18 Read more [...]
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Cloud of death

Kaur and his friends arrived at the CRC, noise was present geophysicist Academician Yu Israel. That Yuri Antonievich first assessed the situation: "Crash! Release from the gallery A-9. " The following second Kaurov describes this: -I saw on the slope of the mountain rising gas and aero-rozolnoe cloud mousey. Reaching a height of 100-150 meters, it began to move slowly along the river in the direction of the CRC and to the area to find a small landing craft (MDC), who was waiting to test their evacuation ship. Tsyrkov announced an emergency evacuation. The only way it was the same Read more [...]
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The massive influx

What height is a wave in Lituye? And how much damage it caused? One thing is certain: this wave were much higher than those waves that have left their mark at the time found Miller.Bare slopes along the Gulf showed high waves - sometimes it reached 165 meters! It turned out that to find out why such a huge uplift wave is not easy. Pictures taken Coast and Geodetic Survey a few weeks later, thoroughly examined under a microscope by experienced transcribers. One thing was certain: in bay with a 1000-meter-high mountains surrounding it hit huge avalanche. Tons of ice collapsed and with a steep Read more [...]
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This wave

When a tsunami racing across the ocean, height waves, is only a few meters. Question arises: why is the approach to land it grows to such dangerous heights? This is explained by the enormous energy tsunami, the truth which gives him great speed and creates waves such height. Feature of these long waves is that, with great speed in deep water, they slow down his pace in shallow water. Velocity of the waves approaching the coast, decreases, so the energy goes to increase their height. Wave grows higher and higher, it is a sort of "stumbled" on the shallow water, with the bottom of Read more [...]
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Siren — 40

Siren - 40 Purpose: The siren is designed to provide acoustic signals in the open air in an emergency.SPECIFICATIONS: ParametrZnachenie Sound pressure level, dB (At a distance of 1 m from the impeller) 90 frequency sound waves, 500 Hz Rated power of the motor horn, 0.75 kW Rated speed r / min 3000 Feature mains AC, three-phase, 380 V, 50 Hz nominal diameter of the impeller, 280 mm nominal height of the impeller 110 mm dimensions elektrosireny, mm: height diameter Weight, kg, not more than 430 325 18 Read more [...]
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Siren — 28

Siren - 28 Appointment: Electric siren C-28 is designed to sound noisy environments (shops).SPECIFICATIONS:ParametrZnachenie Sound pressure level, dB (At a distance of 1 m from the impeller) 118 frequency sound waves, 450 Hz Rated power of the motor siren, kW 3.0 Rated speed r / min 3000 Feature mains AC, three-phase, 380 V, 50 Hz nominal diameter of the impeller, 400 mm nominal height of the impeller 110 mm dimensions elektrosireny, mm: height diameter Weight, kg, not more than 400 740 42 Read more [...]
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Requirements for Workplace

Room dimensions are determined by the type of display. Display with CRT involves the following room sizes: size - 20 m, height - at least 3 m, floor - not less 6 m2, LCD display - 1520 m3, respectively, 3 m and 4.5 m 2. Desktop must be adjusted in height from 680-800 mm with screen located above the floor at a height of 900-1280 mm. System size working table for the computer on which the calculated structural dimensions, should be considered as a width of 800, 1000, 1200 and 1400 mm, a depth of 800-1000 mm (irregular table height 725 mm). Desktop should have room for the legs. Dimensions of Read more [...]
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Two Kamchatka volcanoes emit ash to a height of 8 km

Emissions of ash to a height of up to eight kilometers occurred in the past days of the craters of Kamchatka volcanoes Shiveluch and Karymsky said Saturday RIA Novosti the Kamchatka branch of the Geophysical Service RAS.The increased activity of the northern Kamchatka volcano Shiveluch height which is about 3.3 thousand meters above sea level, was launched in May 2009. Its dome is a normal eruption fissure cut through a depth of about 30 meters. Occasionally rise above the crater powerful pillars of gas and ash to a height of three to eight kilometers."In the last day of a seismic station Read more [...]
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Two Kamchatka volcanoes emit ash to a height of 8 km

Emissions of ash to a height of up to eight kilometers occurred in the past days of the craters of Kamchatka volcanoes Shiveluch and Karymsky said Saturday RIA Novosti the Kamchatka branch of the Geophysical Service RAS. The increased activity of the northern Kamchatka volcano Shiveluch height which is about 3.3 thousand meters above sea level, was launched in May 2009. Its dome is a normal eruption fissure cut through a depth of about 30 meters. Occasionally rise above the crater powerful pillars of gas and ash to a height of three to eight kilometers. "In the last day of a seismic station Read more [...]
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Meteonovosti: Winter does not stand on ceremony

In this year's winter works hard and is ahead of schedule. Almost every day, marked by new frontiers of frosts. In night on October 11, in the north-west of Yakutia temperature dropped to -28 °. Snow cover also waiting for an invitation. In the Far East, it covers the entire northern half of the region. Maximum height accounts for the central regions Yakutia and is 31 cm in the Siberian base coat observed in Taimyr and Evenk, and in the southern mountain ranges. Maximum thickness - 42 cm snow on the ETP cover carries while temporary and tends to the northeast and to the mountainous regions Read more [...]
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Dried highest waterfall

Anhel (Spanish: Salto Angel) - the most high waterfall in the world, the total height of 979 meters, the height of the continuous fall of 807 meters.Most high waterfall in the world Angel in southern Venezuela suffered from unprecedented drought.Hoil Bernal, National Park Guide Kainama, where he is Angel, says: "There's no water. It is almost as if the walls of your house in the middle of a thin stream of water flowed, as a thread that sewed clothes. " From December to March, the volume of water passing through the world-famous waterfall, always decreases due to the dry season, but Read more [...]
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Residents of Volgograd show tremors of unknown origin

Photo: from the site shkolazhizni.ruMessages about this, as the Agency "Height 102 ", began to come from the citizens in the security department of the regional EMERCOM, Municipal Committee of Civil Protection, rescuers from Friday and continued on Saturday.Possible tremors called residents Dzerzhinsky, the Soviet, Traktorozavodskogo, Central district of Volgograd. Some local media even appeared publications reported cracks in one of the houses.However, experts have refuted the information about the earthquake. "People are injured on impact, as well, and the destruction of buildings Read more [...]
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