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32-740: The Kerch Strait is a strait in Eastern Europe . It connects the Black Sea and the Sea of Azov , separating the Kerch Peninsula of Crimea in the west from the Taman Peninsula of Russia 's Krasnodar Krai in the east. The strait is 3.1 kilometres (1.9 mi) to 15 kilometres (9.3 mi) wide and up to 18 metres (59 ft) deep. The most important harbor, the Crimean city of Kerch , gives its name to

64-503: A notice in advance to pass the strait and was warned by Russian coast guard such a notice should be given for the safety of maritime traffic. At the moment around 80 civilian ships were waiting to pass the strait. In the morning of 8 October 2022 at 06:07 (Moscow time), an explosion occurred on the road portion of the Crimean Bridge, causing major damage. Seven fuel cars of a passing railway train also ignited, causing an extensive fire on

96-453: A one-way (alternating) group convoy basis. Transit procedures have remained unchanged, whether under Soviet, Ukrainian, or Russian jurisdiction. The Vessel Traffic Control Post in Kerch controls and oversees all traffic. Several fish-processing plants are located on the Crimean coast of the strait. The fishing season begins in late autumn and lasts for 2 to 3 months, when many seiners put out into

128-484: A very strong storm on the Black Sea . Four ships sank, six ran aground on a sandbank, and two tankers were damaged, resulting in a major oil spill and the death of 23 sailors. The Russian-flagged oil tanker Volgoneft-139 encountered trouble in the Kerch Strait where it sought shelter from the above storm. During the storm the tanker split in half, releasing more than 2000 tonnes of fuel oil. Four other boats sank in

160-635: Is a beam used in construction . It is the main horizontal support of a structure which supports smaller beams. Girders often have an I-beam cross section composed of two load-bearing flanges separated by a stabilizing web , but may also have a box shape, Z shape, or other forms. Girders are commonly used to build bridges. A girt is a vertically aligned girder placed to resist shear loads. Small steel girders are rolled into shape. Larger girders (1 m/3 feet deep or more) are made as plate girders , welded or bolted together from separate pieces of steel plate . The Warren type girder replaces

192-523: Is now Tuzla Island , connected to the Taman Peninsula by a 2003 Russian-built 3.8-kilometre-long (2.4 mi) dam, and to mainland Crimea by the Crimean Bridge opened in 2018. A major cargo port is under construction near Taman. The straits are about 35 kilometers (22 mi) long and are 3.1 kilometers (1.9 mi) wide at the narrowest and separate an eastern extension of Crimea from Taman ,

224-612: Is quite shallow in its narrowest point, the Kerch–Yenikale Canal was dredged through the strait. The main channel can accommodate vessels up to 215 meters long with a draft of up to 8 meters with a compulsory pilot assistance. The canal is not straight, and its geometry further complicates safe navigation. The narrowness, limited depth, and turns of the main channel together with the often unpredictable effects of wind and visibility (fog) mean that there are strict procedures regulating strait transit. Transit of large vessels occurs on

256-401: Is typically reserved for much larger, wider features of the marine environment. There are exceptions, with straits being called canals; Pearse Canal , for example. Straits are the converse of isthmuses . That is, while a strait lies between two land masses and connects two large areas of ocean, an isthmus lies between two areas of ocean and connects two large land masses. Some straits have

288-655: The Cimmerians , nearby steppe nomads . In ancient times the low-lying land near the Strait was known as the Maeotic Swamp . The Cimmerian Bosporus in ancient times was regarded as separating Europe from Asia, just as the Thracian Bosporus did. Most geographers, such as Posidonius , Strabo ( Geographica 11.7.4), and Ptolemy , considered the boundary between Europe and Asia to be the river Tanais ( Don ), which flows into

320-659: The Second World War , the Kerch Peninsula became the scene of much desperate combat between forces of the Soviet Red Army and Nazi Germany . Fighting frequency intensified in the coldest months of year when the strait froze over, allowing the movement of troops over the ice. After the Eastern Front stabilized in early 1943, Hitler ordered the construction of a 4.8-kilometre (3.0 mi) road-and-rail bridge across

352-462: The Suez Canal . Although rivers and canals often provide passage between two large lakes, and these seem to suit the formal definition of strait, they are not usually referred to as such. Rivers and often canals, generally have a directional flow tied to changes in elevation, whereas straits often are free flowing in either direction or switch direction, maintaining the same elevation. The term strait

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384-813: The Ukrainian Foreign Ministry, the decision is a violation of the freedom of navigation under the UN Convention on the Law of the Sea . The decision to close the strait was preceded by Russia's warning the United States after the Biden administration 's plan to send two destroyers ( USS Roosevelt and USS Donald Cook ) to the Black Sea amid Russia's increasing military presence near Ukraine. The Biden administration withheld

416-411: The annexation of Crimea in 2014, however, Russian forces have forcibly established a new status quo, now being the straits' sole controlling power. Moscow mayor Yuri Luzhkov campaigned for a highway bridge to be constructed across the strait. Since 1944, various bridge projects to span the strait have been proposed or attempted, always hampered by the difficult geologic and geographic configuration of

448-805: The Crimea. The bridge was never completed, and the Wehrmacht finished evacuating the Kuban bridgehead in September 1943. In 1944 the Soviets built a "provisional" railway bridge ( Kerch railway bridge ) across the strait. Construction made use of supplies captured from the Germans. The bridge went into operation in November 1944, but moving ice floes destroyed it in February 1945; reconstruction

480-649: The Sea of Azov from the north; an alternative view, found in the poet Cornelius Gallus was that it was the river Hypanis ( Kuban ), which flows into the Sea of Azov from the east, close to the Cimmerian Bosporus. The Kerch Strait was a nearby site of a major naval battle (that became known as the Battle of Kerch Strait ) in the Russo-Turkish War (1787–1792) . It was fought in 1790 and ended in Russian victory. During

512-723: The Strait of Kerch in the spring of 1943 to support his desire for a renewed offensive to the Caucasus. The cable railway ( aerial tramway ), which went into operation on 14 June 1943 with a daily capacity of one thousand tons, was only adequate for the defensive needs of the Seventeenth Army in the Kuban bridgehead . Because of frequent earth tremors , this bridge would have required vast quantities of extra-strength steel girders , and their transport would have curtailed shipments of military material to

544-533: The Ukrainian ports of Berdyansk and Mariupol from the Black Sea. The Ukrainian Foreign Ministry protested against the decision, stating that "such actions by the Russian Federation are another attempt to violate the norms and principles of international law to usurp the sovereign rights of Ukraine as a coastal state, as Ukraine has the right to regulate navigation in these areas of the Black Sea". According to

576-441: The area. Construction of an approach was actually started in 2003 with the 3.8 kilometres (2.4 mi)-long dam, provoking the 2003 Tuzla Island conflict. After the 2014 Russian annexation of Crimea the government of Russia decided to build a bridge across the Kerch Strait. The 19-kilometre Crimean Bridge opened to road traffic in 2018 and the rail section opened in 2019. Russian state-backed media claims that construction of

608-457: The autumn of 2004, new ships were delivered as replacements and train transportation was re-established. The ferry line stopped operations in late 2020. A territorial dispute between Russia and Ukraine in 2003 centred on Tuzla Island in the Strait of Kerch. Ukraine and Russia agreed to treat the strait and the Azov Sea as shared internal waters. On Sunday 11 November 2007 news agencies reported

640-467: The bridge caused increases in nutrients and planktons in the waters, attracting large numbers of fish and more than 1,000 endangered Black Sea bottlenose dolphins . However, Ukraine claims that the acoustic noise and pollution from both the bridge construction and military exercises may actually be killing Black Sea dolphins. When two Ukrainian navy vessels tried to pass under the bridge to reach Mariupol in November 2018, Russian forces responded by blocking

672-533: The destroyers after fighting intensified between Ukrainian and Russian-backed separatist forces in an effort to alleviate the tension. Putin had threatened the safety of the US Navy ships, saying that they should stay away from the area “for their own good”. After the destroyers were withheld, Russia took advantage of the opening to close the Kerch Strait. On 9 December 2021 Ukrainian command ship Donbas departed from Mariupol and approached Kerch Strait. It didn't give

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704-406: The parallel rail bridge, and two half-sections of the road bridge collapsed. On 17 July 2023, explosions under the bridge of two suicide sea drones damaging a span of the road bridge. In late 2023 The Washington Post reported that Russia, with the help of Chinese companies was contemplating building a Crimean tunnel. In order to improve navigational capabilities of the Strait of Kerch, which

736-466: The potential to generate significant tidal power using tidal stream turbines . Tides are more predictable than wave power or wind power . The Pentland Firth (a strait) may be capable of generating 10  GW . Cook Strait in New Zealand may be capable of generating 5.6 GW even though the total energy available in the flow is 15 GW. Straits used for international navigation through

768-489: The solid web with an open latticework truss between the flanges. This arrangement combines strength with economy of materials, minimizing weight and thereby reducing loads and expense. Patented in 1848 by its designers James Warren and Willoughby Theobald Monzani, its structure consists of longitudinal members joined only by angled cross-members, forming alternately inverted equilateral triangle -shaped spaces along its length, ensuring that no individual strut , beam, or tie

800-465: The storm, resulting in the release of sulphur cargo. The storm hampered efforts to rescue crew members. Another victim of the storm, the Russian cargo ship Volnogorsk , loaded with sulfur, sank at Port Kavkaz on the same day. Russia and Ukraine agreed to guarantee each other freedom of navigation for ships of both nations in a 2003 naval treaty . Since the start of the Russo-Ukrainian War and

832-638: The strait to fish. The Taman Bay is a major fishing ground, with many fishing villages scattered along the coast. Strait The terms channel , pass , or passage can be synonymous and used interchangeably with strait , although each is sometimes differentiated with varying senses. In Scotland, firth or Kyle are also sometimes used as synonyms for strait. Many straits are economically important. Straits can be important shipping routes and wars have been fought for control of them. Numerous artificial channels, called canals , have been constructed to connect two oceans or seas over land, such as

864-679: The strait, formerly known as the Cimmerian Bosporus or Straits of Taman . It has also been called the Straits of Yenikale after the Yeni-Kale fortress in Kerch. Taman , the most important settlement on the Taman Peninsula side of the strait, sits on Taman Bay , which is separated from the main Kerch Strait by the Chushka Spit to the north and the former Tuzla Spit to the south; the Tuzla Spit

896-441: The straits with a large container ship. Upon turning back, the Ukrainian ships and crews were fired upon and seized by the Russian coast guard. Two gas carriers collided and exploded in 2019, killing 14 people. On 15 April 2021 Russia decided to close the area of Kerch Strait to "warships and other state vessels" from 24 April to 31 October. The stated rationale for the closure are military exercises . The closure partially cut off

928-423: The territorial sea between one part of the high seas or an exclusive economic zone and another part of the high seas or an exclusive economic zone are subject to the legal regime of transit passage ( Strait of Gibraltar , Dover Strait , Strait of Hormuz ). The regime of innocent passage applies in straits used for international navigation (1) that connect a part of high seas or an exclusive economic zone with

960-632: The territorial sea of a coastal nation ( Straits of Tiran , Strait of Juan de Fuca , Strait of Baltiysk ) and (2) in straits formed by an island of a state bordering the strait and its mainland if there exists seaward of the island a route through the high seas or through an exclusive economic zone of similar convenience with respect to navigational and hydrographical characteristics ( Strait of Messina , Pentland Firth ). There may be no suspension of innocent passage through such straits. [REDACTED] Media related to Straits at Wikimedia Commons Steel girders A girder ( / ˈ ɡ ɜːr d ər / )

992-574: The westernmost extension of the Caucasus Mountains . In antiquity , there seem to have been a group of islands intersected by arms of the Kuban River ( Hypanis ) and various sounds which have since silted up. The Romans knew the strait as the Cimmerian Bosporus ( Cimmerius Bosporus ) from its Greek name, the Cimmerian Strait ( Κιμμέριος Βόσπορος , Kimmérios Bosporos ), which honored

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1024-470: Was not attempted. After the war, ferry transportation across the strait was established in 1954, connecting Crimea and the Krasnodar Krai ( Port Krym – Port Kavkaz line). Originally there were four train ferry ships; later three car-ferry ships were added. Train transportation continued for almost 40 years. The aging train-ferries became obsolete in the late 1980s and were removed from service. In

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