How many oceanic trenches are found in the Indian Ocean?

These troughs extend to great depths, and in the Indian Ocean, there are two particularly deep trenches: the Java Trench and the Diamantina Trench.

Is there a trench in the Indian Ocean?

Java Trench, also called Sunda Double Trench, deep submarine depression in the eastern Indian Ocean that extends some 2,000 miles (3,200 km) in a northwest-southeast arc along the southwestern and southern Indonesian archipelago.

How many ocean trenches are there?

Of the Earth’s 20 major trenches, 17 are found in the Pacific basin, a vast area rimmed by trenches of both marginal and island arc varieties. Marginal trenches bound the west coast of Central and South America from the Gulf of California to southern Chile.

Which is the deepest oceanic trench of the Indian Ocean?

Data published in Geoscience Data Journal shows the deepest point of the Indian Ocean at 7187 m, within the Java Trench, and the deepest point of the Southern Ocean at 7432 m, within the South Sandwich Trench.

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Where are oceanic trenches located?

Ocean trenches are found in every ocean basin on the planet, although the deepest ocean trenches ring the Pacific as part of the so-called “Ring of Fire” that also includes active volcanoes and earthquake zones. Ocean trenches are a result of tectonic activity, which describes the movement of the Earth’s lithosphere.

Which is the biggest trench in India?

The Indian Ocean’s deepest point is the Sunda Trench; is also known as the Java trench.

How many oceans are there in India?

Historically, there are four named oceans: the Atlantic, Pacific, Indian, and Arctic. However, most countries – including the United States – now recognize the Southern (Antarctic) as the fifth ocean.

What are the 5 ocean trenches?

The Five Deeps Expedition was the first to reach the deepest point in each of the Earth’s five oceans: the Puerto Rico Trench in the Atlantic, South Sandwich Trench in the Southern Ocean, Java Trench in the Indian Ocean, Challenger Deep in the Pacific and Molloy Deep in the Arctic.

What are examples of ocean trenches?

Ocean trenches exist in all the world’s oceans. They include the Philippine Trench, Tonga Trench, the South Sandwich Trench, the Eurasian Basin and Malloy Deep, the Diamantina Trench, the Puerto Rican Trench, and the Mariana.

How many total trenches are there in the world?

Globally, there are over 50 major ocean trenches covering an area of 1.9 million km2 or about 0.5% of the oceans. Trenches are geomorphologically distinct from troughs. Troughs are elongated depressions of the sea floor with steep sides and flat bottoms, while trenches are characterized by a V-shaped profile.

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Who named Indian Ocean?

The Indian Ocean has been known by its present name since at least 1515 when the Latin form Oceanus Orientalis Indicus (“Indian Eastern Ocean”) is attested, named for India, which projects into it. … Conversely, Chinese explorers in the Indian Ocean during the 15th century called it the Indian Oceans.

Who crossed the Indian Ocean first?

The Portuguese navigator Vasco da Gama, sailing around Africa in 1497, signed on an Arabian pilot at Malindi before he crossed the Indian Ocean to reach the western shores of India. The Dutch, English, and French followed the Portuguese to the Indian Ocean.

How many oceans touch the Indian mainland?

How many oceans touch the Indian mainland? Notes: The Indian Ocean, which touches the southern tip of the Indian mainland is the only ocean touching the Indian mainland. The other two bodies of water are the Bay of Bengal in the east and the Arabian Sea in the west.

What is the longest ocean trench?

Then explain to students that the Mariana Trench is the deepest part of the ocean and the deepest location on Earth. It is 11,034 meters (36,201 feet) deep, which is almost 7 miles.

Which ocean has the most trenches?

Where are trenches located? Trenches are long, narrow and very deep and, while most are in the Pacific Ocean, can be found around the world.

How many ocean does Canada touch?

Canada is influenced in many ways by the three bordering oceans – Pacific, Arctic and Atlantic – and climate change impacts on the oceans affect Canada’s people and economy.

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