submarine ridge

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• Submarine landslide — Submarine landslides are marine landslides that transport sediment across the continental shelf and into the deep ocean. A submarine landslide is initiated when the downwards driving stress (gravity and other factors) exceeds the resisting stress …   Wikipedia

• Submarine volcano — Submarine volcanoes are underwater fissures in the earth s surface from which magma can erupt. They are estimated to account for 75% of annual magma output. The vast majority are located near areas of tectonic plate movement, known as mid ocean… …   Wikipedia

• Submarine canyon — A submarine canyon is a steep sided valley on the sea floor of the continental slope. Many submarine canyons are found as extensions to large rivers; however there are some that have no such association. Canyons cutting the continental slopes… …   Wikipedia

• submarine fracture zone — Long, narrow, and mountainous submarine lineation that generally separates ocean floor ridges differing in depth by as much as 1 mi (1.6 km). The largest fracture zones, in the eastern Pacific, are more than 1,000 mi (1,600 km) long and 60–125 mi …   Universalium

• Submarine earthquake — A submarine earthquake is an earthquake which occurs underwater at the bed of the sea. They can produce tsunamis, also known as harbor waves or tidal waves . The magnitude can be measured scientifically by the use of either the Richter scale or… …   Wikipedia

• Carlsberg Ridge — ▪ submarine ridge, Arabian Sea       submarine ridge of the Arabian Sea and the Indian Ocean. The ridge is a portion of the Mid Indian Ridge and extends from near Rodrigues Island to the Gulf of Aden (Aden, Gulf of), trending basically northwest… …   Universalium

• Barbados Ridge — ▪ submarine feature, Caribbean Sea       submarine ridge of the Caribbean Sea rising from the southern end of the axis of the Puerto Rico Trench. The Barbados Ridge is paralleled on either side by a shallow trough. Negative gravity anomalies… …   Universalium

• Mid-Indian Ridge — ▪ ridge, Indian Ocean       submarine ridge of the Indian Ocean that is a direct continuance of the Mid Atlantic Ridge; both are segments of the worldwide midoceanic ridge system. Entering the Indian Ocean from the South Atlantic, the Mid Indian… …   Universalium

• Submarine eruption — A submarine eruption is a type of volcanic eruption where lava erupts under an ocean. Most of the Earth s volcanic eruptions are submarine eruptions, but few have been documented because of the difficulty in monitoring submarine volcanoes. Most… …   Wikipedia

• Beata Ridge — ▪ ridge, Caribbean Sea       submarine ridge of the southern Caribbean Sea floor. The Beata Ridge trends south southwest from Beata Cape on the island of Hispaniola and divides this part of the sea into two distinct areas, the Colombian and the… …   Universalium

• submarine gap — ▪ geology also called  Abyssal Gap,         steep sided furrow that cuts transversely across a ridge or rise; such a passageway has a steeper slope than either of the two abyssal plains it connects. Grooves known as interplain channels exist in… …   Universalium