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72-491: One view believes that the name comes from the word tägärät ( ተገረት ), meaning "she ascended". The word tägäru ( ተገሩ ) "they ascended" describes the ascension of the earliest indigenous people to the mountainous highlands of Eritrea as the plateau's first settlers. The Tigrinya tribe were first mentioned around the 8th to 10th centuries, in which period manuscripts preserving the inscriptions of Cosmas Indicopleustes (fl. 6th century) contain notes on his writings including

144-581: A Greek periplus written by an unknown author around the 1st century, contains a detailed description of the Red Sea's ports and sea routes. The Periplus also describes how Hippalus first discovered the direct route from the Red Sea to India . The Red Sea was favored for Roman trade with India starting with the reign of Augustus , when the Roman Empire gained control over the Mediterranean, Egypt , and

216-461: A flat earth. This claim...is totally false. Cosmas is, in fact, the only medieval European known to have defended a flat earth cosmology, whereas it is safe to assume that all educated Western Europeans (and almost one hundred percent of educated Byzantines), as well as sailors and travelers, believed in the earth's sphericity. Cosmas was mentioned in Umberto Eco's historical novel, Baudolino . In

288-569: A monk in the retirement of a Sinai cloister , Cosmas wrote the once-copiously illustrated Christian Topography , a work partly based on his personal experiences as a merchant on the Red Sea and Indian Ocean in the early 6th century. His description of India and Ceylon during the 6th century is invaluable to historians. Cosmas seems to have personally visited the Kingdom of Axum in modern day northern Ethiopia , as well as Eritrea . He sailed along

360-530: A small successor village lies near the site. Qohaito is often identified as the town Koloe described in the Periplus of the Erythraean Sea , a Greco-Roman document dated to the end of the first century, which thrived as a stop on the trade route between Adulis and Aksum . It is thought that crops were interspersed with buildings in the town. Old edifices included the pre-Christian Temple of Mariam Wakino and

432-724: A tabernacle, and that only thus can we explain the most obscure phenomena. Cosmology aside, Cosmas proves to be an interesting and reliable guide, providing a window into a world that has since disappeared. He happened to be in Adulis on the Red Sea Coast of modern Eritrea at the time (c. AD 525) when the King of Axum was preparing a military expedition to attack the Jewish king Dhu Nuwas in Yemen , who had recently been persecuting Christians. On request of

504-428: Is appointed from Persia, and a Deacon and a complete ecclesiastical ritual. But the natives and their kings are heathens." A major feature of his Christian Topography is his worldview that the surface of ocean and earth is flat (that is, nonconvex and nonspherical, as perceived by the human senses) and that the heavens form the shape of a box with a curved lid. He was scornful of Ptolemy and others who held that

576-475: Is considered that it will become an ocean in time (as proposed in the model of John Tuzo Wilson ). In 1949, a deep water survey reported anomalously hot brines in the central portion of the Red Sea. Later work in the 1960s confirmed the presence of hot, 60 °C (140 °F), saline brines and associated metalliferous muds. The hot solutions were emanating from an active subseafloor rift . Lake Asal in Djibouti

648-447: Is eligible as an experimental site to study the evolution of the deep hot brines of the Red Sea. By observing the strontium isotope composition of the Red Sea brines, it is possible to deduce how these salt waters found at the bottom of the Red Sea could have evolved in a similar way to Lake Asal, which ideally represents their compositional extreme. The high salinity of the waters was not hospitable to living organisms. Sometime during

720-545: Is that some Asiatic languages used color words to refer to the cardinal directions . Herodotus on one occasion uses Red Sea and Southern Sea interchangeably. The name in Hebrew Yam Suph ( Hebrew : ים סוף , lit.   'Sea of Reeds') is of biblical origin. The name in Coptic : ⲫⲓⲟⲙ `ⲛϩⲁϩ Phiom Enhah ("Sea of Hah") is connected to Ancient Egyptian root ḥ-ḥ which refers to water and sea (for example

792-416: Is the driving force in the Red Sea to transport material as suspension or as bedload. Wind-induced currents play an important role in the Red Sea in resuspending bottom sediments and transferring materials from sites of dumping to sites of burial in quiescent environment of deposition. Wind-generated current measurement is therefore important in order to determine the sediment dispersal pattern and its role in

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864-513: The 2023-2024 Israel-Hamas war . One ship was hijacked and taken back to Yemen. The Red Sea is between arid land, desert and semi-desert . Reef systems are better developed along the Red Sea mainly because of its greater depths and an efficient water circulation pattern. The Red Sea water mass-exchanges its water with the Arabian Sea , Indian Ocean via the Gulf of Aden . These physical factors reduce

936-494: The Coptic ⲫⲓⲟⲙ ̀ⲛϣⲁⲣⲓ Phiom ̀nšari , Syriac ܝܡܐ ܣܘܡܩܐ Yammāʾ summāqā, Somali Badda cas and Tigrinya Qeyyiḥ bāḥrī (ቀይሕ ባሕሪ). The name of the sea may signify the seasonal blooms of the red-coloured Trichodesmium erythraeum near the water's surface. A theory favored by some modern scholars is that the name red is referring to the direction south, just as the Black Sea 's name may refer to north. The basis of this theory

1008-753: The Mediterranean Sea . To the point that a number of them now form a significant component of the Mediterranean ecosystem. The resulting change in biodiversity, without precedent in human memory, is currently accelerating, in particular for fishes according to surveys engaged by the Mediterranean Science Commission . The rich diversity of the Red Sea is in part due to the 2,000 km (1,240 mi) of coral reef extending along its coastline; these fringing reefs are 5000–7000 years old and are largely formed of stony acropora and porites corals. The reefs form platforms and sometimes lagoons along

1080-585: The Red Sea slave trade from Africa to the Middle East. During the Middle Ages , the Red Sea was an important part of the spice trade route. In 1183, Raynald of Châtillon launched a raid down the Red Sea to attack the Muslim pilgrim convoys to Mecca. The possibility that Raynald's fleet might sack the holy cities of Mecca and Medina caused fury throughout the Muslim world. However, it appears that Reynald's target

1152-781: The Second World War , the Americans and Soviets exerted their influence whilst the volume of oil tanker traffic intensified. However, the Six-Day War culminated in the closure of the Suez Canal from 1967 to 1975. Today, in spite of patrols by the major maritime fleets in the waters of the Red Sea, the Suez Canal has never recovered its supremacy over the Cape route, which is believed to be less vulnerable to piracy. Iranian -backed Yemini Houthis have attacked Western ships, including warships , during

1224-647: The Septuagint translation of the Book of Exodus from Hebrew to Koine Greek in approximately the third century BC. In that version, the Yam Suph ( Hebrew : ים סוף , lit.   'Sea of Reeds') is translated as Erythra Thalassa (Red Sea). The Red Sea is one of four seas named in English after common color terms – the others being the Black Sea , the White Sea and

1296-650: The Sinai Peninsula , the Gulf of Aqaba , and the Gulf of Suez —leading to the Suez Canal . It is underlain by the Red Sea Rift , which is part of the Great Rift Valley . The Red Sea has a surface area of roughly 438,000 km (169,000 sq mi), is about 2,250 km (1,400 mi) long, and 355 km (221 mi) wide at its widest point. It has an average depth of 490 m (1,610 ft), and in

1368-764: The Tertiary period, the Bab el Mandeb closed and the Red Sea evaporated to an empty hot dry salt-floored sink. Effects causing this would have been: A number of volcanic islands rise from the center of the sea. Most are dormant. However, in 2007, Jabal al-Tair island in the Bab el Mandeb strait erupted violently. Two new islands were formed in 2011 and 2013 in the Zubair Archipelago , a small chain of islands owned by Yemen. The first island, Sholan Island, emerged in an eruption in December 2011,

1440-669: The Yellow Sea . The direct rendition of the Greek Erythra thalassa in Latin as Mare Erythraeum refers to the north-western part of the Indian Ocean , and also to a region on Mars . The earliest known exploration of the Red Sea was conducted by ancient Egyptians , as they attempted to establish commercial routes to Punt . One such expedition took place around 2500 BC, and another around 1500 BC (by Hatshepsut ). Both involved long voyages down

1512-939: The global economy , with cargo vessels traveling between the Indian Ocean and the Mediterranean Sea every year, thus shortening the path between Asia and Europe almost by half (as compared to traveling around Africa via the Atlantic Ocean). 12% of global trade passes through the Red Sea. This includes 30% of global container traffic. The sea is known for its recreational diving sites, such as Ras Mohammed , SS Thistlegorm (shipwreck), Elphinstone Reef , The Brothers , Daedalus Reef , St. John's Reef , Rocky Island in Egypt and less known sites in Sudan such as Sanganeb , Abington , Angarosh and Shaab Rumi . The Red Sea became

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1584-517: The sabkhas through a network of channels. However, south of Jeddah in the Shoiaba area, the water from the lagoon may cover the adjoining sabkhas as far as 3 km (2 mi), whereas north of Jeddah in the Al-Kharrar area the sabkhas are covered by a thin sheet of water as far as 2 km (1.2 mi). The prevailing north and northeast winds influence the movement of water in the coastal inlets to

1656-513: The 3rd century BC. Cosmas's view was never influential even in religious circles; a near-contemporary Christian, John Philoponus , sought to refute him in his De opificio mundi as did many Christian philosophers of the era. David C. Lindberg asserts: Cosmas was not particularly influential in Byzantium, but he is important for us because he has been commonly used to buttress the claim that all (or most) medieval people believed they lived on

1728-438: The 44 recorded species of shark, and by many species (over 175) of nudibranch , many of which are endemic to the Red Sea. Other coastal Red Sea habitats include sea grass beds, salt pans , mangrove and salt marsh . Furthermore the deep Red Sea brine pools have been extensively studied with regard to their microbial life, characterized by its diversity and adaptation to extreme environments. The high marine biodiversity of

1800-588: The 6th century BC, Darius the Great , who was a prominent ruler of the Achaemenid Empire in Persia, undertook significant efforts to improve and extend navigation in the Red Sea. He sent reconnaissance missions to explore the Red Sea area and to identify its various navigational hazards, such as rocks and currents. This effort was significant, as it contributed to safer and more efficient navigation routes. In addition to

1872-464: The Achaemenid Empire's economic and political power in the region. In the late 4th century BC, Alexander the Great sent Greek naval expeditions down the Red Sea to the Indian Ocean . Greek navigators continued to explore and compile data on the Red Sea. Agatharchides collected information about the sea in the 2nd century BC. The Periplus of the Erythraean Sea (" Periplus of the Red Sea "),

1944-619: The Axumite king and in preparation for this campaign, he recorded now-vanished inscriptions such as the Monumentum Adulitanum which he mistook for a continuation of another monument detailing Ptolemy III Euergetes 's conquests in Asia. Neither have been located by archeologists. Allusions in the Topography suggest that Cosmas was also the author of a larger cosmography, a treatise on the motions of

2016-451: The Ethiopian government to return artifacts removed from the site, though their efforts have been rebuffed. Hawulti , a pre-Aksumite or early Aksumite era obelisk, is situated here. Rock art near Qohaito appears to indicate habitation in the area since the fifth millennium BC, while the town is known to have survived until the sixth century. Mount Emba Soira , Eritrea's highest mountain, and

2088-505: The Indian sea is, there is a Church of Christians, with clergy and a body of believers, but I know not whether there be any Christians in the parts beyond it. In the country called Malê, where the pepper grows, there is also a church, and at another place called Calliana there is moreover a bishop, who is appointed from Persia. In the island, again, called the Island of Dioscoridês, which is situated in

2160-632: The Monk ) was a merchant and later hermit from Alexandria in Egypt . He was a 6th-century traveller who made several voyages to India during the reign of emperor Justinian . His work Christian Topography contained some of the earliest and most famous world maps . Cosmas was a pupil of the East Syriac Patriarch Aba I and was himself a follower of the Church of the East . Around AD 550, while

2232-423: The Red Sea and its coasts is extremely low, averaging 60 mm (2.36 in) per year. The rain is mostly short showers, often with thunderstorms and occasionally with dust storms . The scarcity of rainfall and no major source of fresh water to the Red Sea result in excess evaporation as high as 2,050 mm (81 in) per year and high salinity with minimal seasonal variation. A recent underwater expedition to

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2304-487: The Red Sea inside the Bab al-Mandab , as the first fleet from Europe in modern times to have sailed these waters. Later in 1524 the city was delivered to Governor Heitor da Silveira as an agreement for protection from the Ottomans . In 1798, France ordered General Napoleon to invade Egypt and take control of the Red Sea. Although he failed in his mission, the engineer Jean-Baptiste Lepère , who took part in it, revitalised

2376-408: The Red Sea is dominated by persistent north-west winds , with speeds ranging between 7 km/h (4.3 mph) and 12 km/h (7.5 mph). The rest of the Red Sea and the Gulf of Aden are subjected to regular and seasonally reversible winds. The wind regime is characterized by seasonal and regional variations in speed and direction with average speed generally increasing northward. Wind

2448-465: The Red Sea offshore from Sudan and Eritrea found surface water temperatures 28 °C (82 °F) in winter and up to 34 °C (93 °F) in the summer, but despite that extreme heat, the coral was healthy with much fish life with very little sign of coral bleaching , with only 9% infected by Thalassomonas loyana , the 'white plague' agent. Favia favus coral there harbours a virus, BA3, which kills T. loyana . Scientists are investigating

2520-566: The Red Sea. The biblical Book of Exodus tells the account of the Israelites ' crossing of the sea , which the Hebrew text calls Yam Suph ( Hebrew : יַם סוּף ). Yam Suph was traditionally identified as the Red Sea. Rabbi Saadia Gaon (882‒942), in his Judeo-Arabic translation of the Pentateuch , identifies the crossing place of the Red Sea as Baḥar al-Qulzum , meaning the Gulf of Suez . In

2592-460: The Red Sea. The net value of the latter predominates, resulting in an overall drift to the north end of the Red Sea. Generally, the velocity of the tidal current is 50–60 cm/s (20–24 in/s) with a maximum of 1 m/s (3.3 ft/s) at the mouth of the al-Kharrar Lagoon. However, the range of the north-northeast current along the Saudi coast is 8–29 cm/s (3–11 in/s). The north part of

2664-519: The Sahira Dam, which might also be pre-Aksumite. The ruins at Qohaito were first located in 1868, though they were erroneously identified as a "Greek depot" at the time. A related site outside of Senafe , Matara , lies about 15 kilometres to the south and was excavated in the 1960s. Cosmas Indicopleustes Cosmas Indicopleustes ( Koinē Greek : Κοσμᾶς Ἰνδικοπλεύστης , lit.   'Cosmas who sailed to India '; also known as Cosmas

2736-418: The adjacent sabkhas, especially during storms. Winter mean sea level is 0.5 m (1.6 ft) higher than in summer. Tidal velocities passing through constrictions caused by reefs, sand bars and low islands commonly exceed 1–2 m/s (3–7 ft/s). Coral reefs in the Red Sea are near Egypt, Eritrea, Israel, Saudi Arabia, and Sudan. Detailed information regarding current data is lacking, partially because

2808-526: The area is recognized by the Egyptian government, which set up the Ras Mohammed National Park in 1983. The rules and regulations governing this area protect local marine life, which has become a major draw for diving enthusiasts who should be aware that although most Red Sea species are innocuous, a few are hazardous to humans. There is extensive demand for desalinated water to meet the needs of

2880-399: The book, a Byzantine priest and spy, Zozimas of Chalcedon, refers to his world topography as the key to finding the mythical Prester John : Well, in the empire of us Romans, centuries ago there lived a great sage, Cosmas Indicopleustes, who traveled to the very confines of the world, and in his Christian Topography demonstrated in irrefutable fashion that the earth truly is in the form of

2952-450: The central Suakin Trough it reaches its maximum depth of 3,040 m (9,970 ft). Approximately 40% of the Red Sea is quite shallow at less than 100 m (330 ft) deep, and about 25% is less than 50 m (160 ft) deep. The extensive shallow shelves are noted for their marine life and corals . More than 1,000 invertebrate species and 200 types of soft and hard coral live in

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3024-419: The centre of the plane is the inhabited earth, surrounded by ocean, beyond which lies the paradise of Adam . The sun revolves round a conical mountain to the north: round the summit in summer, round the base in winter, which accounts for the difference in the length of the day. However, his idea that the surface of the ocean and earth is nonspherical had been a minority view among educated Western opinion since

3096-531: The coast and occasional other features such as cylinders (such as the Blue Hole (Red Sea) at Dahab ). The Red Sea also hosts many offshore reefs, including several true atolls. Many of the unusual offshore reef formations defy classic (i.e., Darwinian) coral reef classification schemes, and are generally attributed to the high levels of tectonic activity that characterize the area. Both offshore and coastal reefs are visited by pelagic species of fish, including many of

3168-931: The coast of Africa ] and Aqaba [A line running from Ràs al Fasma Southwesterly to Requin Island ( 27°57′N 34°36′E  /  27.950°N 34.600°E  / 27.950; 34.600 ) through Tiran Island to the Southwest point thereof and thence Westward on a parallel (27°54'N) to the coast of the Sinai Peninsula ]. On the South. A line joining Husn Murad ( 12°40′N 43°30′E  /  12.667°N 43.500°E  / 12.667; 43.500 ) and Ras Siyyan ( 12°29′N 43°20′E  /  12.483°N 43.333°E  / 12.483; 43.333 ). Exclusive economic zones in Red Sea: Note: Hala'ib Triangle disputed between Sudan and Egypt and calculated for both. Red Sea has names in many languages of

3240-500: The coast of Socotra , but it cannot be ascertained that he really visited India and Ceylon . "Indicopleustes" means "Indian voyager", from πλέω "(I) sail". While it is known from classical literature , especially the Periplus Maris Erythraei , that there had been trade between the Roman Empire and India from the first century BC onwards, Cosmas's report is one of the few from individuals who had actually made

3312-464: The currents are weak and both spatially and temporally variable. The variation of temporal and spatial currents is as low as 0.5 m (1.6 ft) and are governed all by wind. During the summer, northwesterly winds drive surface water south for about four months at a velocity of 15–20 cm/s (6–8 in/s), whereas in winter the flow is reversed resulting in the inflow of water from the Gulf of Aden into

3384-423: The effect of high salinity caused by evaporation in the north and relatively hot water in the south. The climate of the Red Sea is the result of two monsoon seasons: a northeasterly monsoon and a southwesterly monsoon. Monsoon winds occur because of differential heating between the land and the sea. Very high surface temperatures and high salinities make this one of the warmest and saltiest bodies of seawater in

3456-631: The erosion and accretion of the coastal rock exposure and the submerged coral beds. The Red Sea was formed by the Arabian Peninsula being split from the Horn of Africa by movement of the Red Sea Rift . This split started in the Eocene and accelerated during the Oligocene . The sea is still widening (in 2005, following a three-week period of tectonic activity it had grown by 8 m [26 ft]), and it

3528-628: The fourth most spoken language in Ethiopia after Amharic . Tigrinya dialects differ phonetically, lexically, and grammatically. The oldest settled pastoral and agricultural community lived in Ona (the villages and towns around Asmara ) around 800 BC. It was the oldest known indigenous culture in the Horn Africa. Archaeologist Peter Schmidt compared the Asmara settlement to Athens and Rome. The language known as Tigre

3600-636: The journey. He described and sketched some of what he saw in his Topography . Some of these have been copied into the existing manuscripts, the oldest dating to the 9th century. In 522 AD, he mentions several ports of trade on the Malabar Coast ( South India ). He is the first traveller to mention Soriyani Christians in present-day Kerala in India . He wrote: "Even in Taprobane, an island in Further India, where

3672-531: The major constituents of the Red Sea sediments are as follows: The Red Sea is a rich and diverse ecosystem. For example more than 1200 fish species have been recorded in the Red Sea, of which 10% are endemic, found nowhere else. Since the opening of the Suez Canal in November 1869, over a thousand marine species from the Red Sea—from plankton, seaweeds, invertebrates to fishes—have migrated northward and settled in

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3744-523: The maritime explorations, during the reign of Darius the Great, a canal was constructed linking the Nile River to the northern end of the Red Sea at Suez. This canal is sometimes referred to as the ancient Suez Canal. It played a pivotal role in improving trade and communication between the Nile Valley and the Red Sea, and beyond to the Indian Ocean. This canal was a predecessor to the modern Suez Canal , which

3816-408: The mention of a tribe called Tigretes. The word kebessa (in the form khebsi) has also been found in Ancient Egyptian inscriptions in reference to puntites, however concentrating later on during the Ptolemaic period, the word khebsi roughly translates to "those who cut or detach the incense from the tree". Tigrinya is a North Ethiopic language . It is the most widely spoken language in Eritrea, and

3888-400: The names of the Ogdoad gods Heh and Hauhet ). Historically, it was also known to western geographers as Mare Mecca (Sea of Mecca), and Sinus Arabicus (Gulf of Arabia). Some ancient geographers called the Red Sea the Arabian Gulf or Gulf of Arabia. The association of the Red Sea with the biblical account of the Israelites crossing the Red Sea is ancient, and was made explicit in

3960-404: The northern Red Sea. The route had been used by previous states but grew in the volume of traffic under the Romans. From Indian ports goods from China were introduced to the Roman world. Contact between Rome and China depended on the Red Sea, but the route was broken by the Aksumite Empire around the 3rd century AD. From antiquity until the 20th-century , the Red Sea was also a trade route of

4032-413: The plan for a canal which had been envisaged during the reign of the Pharaohs . Several canals were built in ancient times from the Nile to the Red Sea along or near the line of the present Sweet Water Canal , but none lasted for long. The Suez Canal was opened in November 1869. During the first half of the 20th-century, the Red Sea slave trade attracted substantional international condemnation. After

4104-428: The population and the industries along the Red Sea. There are at least 18 desalination plants along the Red Sea coast of Saudi Arabia which discharge warm brine and treatment chemicals ( chlorine and anti-scalants ) that bleach and kill corals and cause diseases in the fish. This is only localized, but it may intensify with time and profoundly impact the fishing industry. The Red Sea serves an important role in

4176-537: The region The English term Red Sea is a direct translation of the Ancient Greek Erythra Thalassa ( Ἐρυθρὰ Θάλασσα ). The sea itself was once referred to as the Erythraean Sea by Europeans. As well as Mare Rubrum in Latin (alternatively Sinus Arabicus , literally "Arabian Gulf"), the Romans called it Pontus Herculis (Sea of Hercules). Other designations include the Arabic : البحر الأحمر , romanized :  Al-Baḥr Al-Aḥmar (alternatively بحر القلزم Baḥr Al-Qulzum , literally "the Sea of Clysma "),

4248-409: The same Indian sea, and where the inhabitants speak Greek, having been originally colonists sent thither by the Ptolemies who succeeded Alexander the Macedonian, there are clergy who receive their ordination in Persia, and are sent on to the island, and there is also a multitude of Christians. […] The island [of Sri Lanka] has also a church of Persian Christians who have settled there, and a Presbyter who

4320-413: The sea. The Red Sea is the world's northernmost tropical sea, and has been designated a Global 200 ecoregion. The International Hydrographic Organization defines the limits of the Red Sea as follows: On the North. The Southern limits of the Gulfs of Suez [A line running from Ràs Muhammed (27°43'N) to the South point of Shadwan Island (34°02'E) and thence Westward on a parallel (27°27'N) to

4392-469: The second island, Jadid, emerged in September 2013. Approximately 40% of the Red Sea is quite shallow at less than 100 m (330 ft) deep, with about 25% less than 50 m (160 ft) deep. Undiscovered oil reserves in the region have been estimated at 5,041 MMBO. Undiscovered gas reserves in the region have been estimated at 112,349 BCFG. Undiscovered natural gas reserves have been estimated at 3,077 MMBNGL. Most of these plays are controlled by

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4464-437: The south near the Gulf of Aden, but it fluctuates between 0.20 m (0.66 ft) and 0.30 m (0.98 ft) away from the nodal point. The central Red Sea (Jeddah area) is therefore almost tideless, and as such the annual water level changes are more significant. Because of the small tidal range the water during high tide inundates the coastal sabkhas as a thin sheet of water up to a few hundred metres rather than flooding

4536-402: The southern part and 41 ‰ in the northern part around the Gulf of Suez , with an average of 40 ‰. (Average salinity for the world's seawater is ~35 ‰ on the Practical Salinity Scale, or PSU; that translates to 3.5% of actual dissolved salts). In general, tide ranges between 0.6 m (2.0 ft) in the north, near the mouth of the Gulf of Suez and 0.9 m (3.0 ft) in

4608-435: The stars, and commentaries on the Psalms and Canticles . This article uses text taken from the Preface to the Online English translation of the Christian Topography , which is in the public domain. Red Sea The Red Sea is a sea inlet of the Indian Ocean , lying between Africa and Asia. Its connection to the ocean is in the south, through the Bab-el-Mandeb strait and the Gulf of Aden . To its north lie

4680-418: The structure of the basin. Normal faults are common as the Red Sea occupies an active diverging margin. These targets are commonly found below the Salt deposits of the Middle Miocene . Modern development is focused on the following fields. The Durwara 2 Field was discovered in 1963, while the Suakin 1 Field and the Bashayer 1A Field were discovered in 1976, on the Egyptian side of the Red Sea. The Barqan Field

4752-442: The unique properties of these coral and their commensal algae to see if they can be used to salvage bleached coral elsewhere. The Red Sea is one of the saltiest bodies of water in the world, owing to high evaporation and low precipitation; no significant rivers or streams drain into the sea, and its southern connection to the Gulf of Aden , an arm of the Indian Ocean, is narrow. Its salinity ranges from between ~36  ‰ in

4824-401: The world's surface was, contrary to human perceptual experience, a spherical shape. Cosmas aimed to prove that pre-Christian geographers had been wrong in asserting that the surface of the earth and surface of the ocean was convex and spherical in shape, and that it was in fact modelled on the tabernacle , the house of worship described to Moses by God during the Jewish Exodus from Egypt. In

4896-481: The world. The average surface water temperature of the Red Sea during the summer is about 26 °C (79 °F) in the north and 30 °C (86 °F) in the south, with only about 2 °C (3.6 °F) variation during the winter months. The overall average water temperature is 22 °C (72 °F). Temperature and visibility remain good to around 200 m (660 ft). The sea is known for its strong winds and unpredictable local currents. The rainfall over

4968-401: Was believed to be spoken in the region around 1000 BC. D'mt (Daamat) was believed to be home to a settled community in Southern Eritrean and Tigray from around 8th century BC to 4th century BC. There is little archaeological evidence of the D'mt Kingdom. Metera was a major city in the Dʿmt and Aksumite kingdoms. Since Eritrean independence, the National Museum of Eritrea has petitioned

5040-481: Was constructed in the 19th century and continues to be one of the world's most important waterways. The construction of the canal during Darius's reign is evidenced by ancient records, including inscriptions. Darius commemorated the completion of the canal by creating stelae (stone monuments) with inscriptions in several languages, describing the construction and its benefits. The canal not only facilitated trade but also solidified Darius's control over Egypt and enhanced

5112-419: Was discovered in 1969, and the Midyan Field in 1992, both within the Midyan Basin on the Saudi Arabian side of the Red Sea. The 20-m thick Middle Miocene Maqna Formation is an oil source rock in the basin. Oil seeps occur near the Farasan Islands , the Dahlak Archipelago , along the coast of Eritrea, and in the southeastern Red Sea along the coasts of Saudi Arabia and Yemen. In terms of mineral resources

5184-399: Was the lightly armed Muslim pilgrim convoys, rather than the well guarded cities of Mecca and Medina, and the belief in the Muslim world that Reynald was seeking to sack the holy cities, due to the proximity of those cities to the areas that Raynald raided. In 1513, trying to secure that channel to Portugal, Afonso de Albuquerque laid siege to Aden but was forced to retreat. They cruised

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