What tectonic plate is the Indian Ocean on?

The Indo-Australian Plate is a major tectonic plate that includes the continent of Australia and surrounding ocean, and extends northwest to include the Indian subcontinent and adjacent waters. It was formed by the fusion of Indian and Australian plates approximately 43 million years ago.

How Indian Ocean was formed?

Its formation is a consequence of the breakup, which began about 180 million years ago, of the southern supercontinent Gondwana (or Gondwanaland); by the movement to the northeast of the Indian subcontinent (beginning about 125 million years ago), which began colliding with Eurasia about 50 million years ago; and by …

When did the Indian plate collided with Asia?

about 40 to 50 million years ago
When India rammed into Asia about 40 to 50 million years ago, its northward advance slowed by about half. The collision and associated decrease in the rate of plate movement are interpreted to mark the beginning of the rapid uplift of the Himalayas.

What caused the Indian plate to move?

Indian plate as parted from the Australian plate and moved north towards Eurasian plate 130 million years ago. The Indian plate moved northwards as continents drifts so it collided with Eurasian plate which was already present in the north.

What type of plate boundary caused the Indian Ocean earthquake 2004?

tectonic subduction zone
The December 26, 2004 M=9.1 Sumatra-Andaman earthquake occurred along a tectonic subduction zone in which the India Plate, an oceanic plate, is being subducted beneath the Burma micro-plate, part of the larger Sunda plate.

Who discovered the Indian Ocean?

navigator Vasco da Gama
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.

Why is Indian Ocean called half an ocean?

The Indian Ocean is the only ocean that is named after a country, India. The Indian Ocean does not open out towards the north as it is separated from Arctic ocean by the Asian continent. Thus it is referred to as ‘half of an ocean’.

Was India attached to Africa?

The South Atlantic Ocean opened about 140 million years ago as Africa separated from South America. At about the same time, India, which was still attached to Madagascar, separated from Antarctica and Australia, opening the central Indian Ocean.

What causes the Indian Plate to move?

What caused the Indian Ocean earthquake?

The earthquake was caused by a rupture along the fault between the Burma Plate and the Indian Plate. South-west suburb of Banda Aceh, Sumatra on 2 January 2005. A series of massive tsunami waves grew up to 30 m (100 ft) high once heading inland, after being created by the underwater seismic activity offshore.

Which tectonic plates caused the 2004 earthquake?

The December 26, 2004 M=9.1 Sumatra-Andaman earthquake occurred along a tectonic subduction zone in which the India Plate, an oceanic plate, is being subducted beneath the Burma micro-plate, part of the larger Sunda plate.