What is a mid-ocean ridge? - NOAA Ocean Exploration
The mid-ocean ridge system is the most extensive chain of mountains on Earth, stretching nearly 65,000 kilometers (40,390 miles) and with more than 90 percent of the mountain range lying underwater, in the deep ocean.
Mid-ocean ridge - Wikipedia
Mid-ocean ridge cross-section (cut-away view) A mid-ocean ridge (MOR) is a seafloor mountain system formed by plate tectonics.It typically has a depth of about 2,600 meters (8,500 ft) and rises about 2,000 meters (6,600 ft) above the deepest portion of an ocean basin.
The Longest Mountain Range on Earth is Underwater
2024年5月30日 · Among the most awe-inspiring features of our planet's topography is the Mid-Ocean Ridge, an extensive underwater mountain range that spans the globe. This colossal geological formation, stretching approximately 65,000 kilometers (40,390 miles), surpasses any terrestrial mountain range in both length and complexity.
Oceanic ridge | Description, Examples, & Facts | Britannica
Oceanic ridges are found in every ocean basin and appear to girdle Earth. The ridges rise from depths near 5 km (3 miles) to an essentially uniform depth of about 2.6 km (1.6 miles) and are roughly symmetrical in cross section. They can be thousands of kilometres wide.
Mid-ocean Ridges - Woods Hole Oceanographic Institution
2020年11月10日 · The mid-ocean ridge is a continuous range of undersea volcanic mountains that encircles the globe almost entirely underwater. It is a central feature of seafloor terrain that is more varied and more spectacular than almost anything found on dry land, and includes a collection of volcanic ridges, rifts, fault zones, and other geologic features.
Mid-Atlantic Ridge - Wikipedia
Although the Mid-Atlantic Ridge is mostly an underwater feature, portions of it have enough elevation to extend above sea level, for example in Iceland. The ridge has an average spreading rate of about 2.5 centimetres (1 in) per year.
What is the longest mountain range on Earth?
2024年6月16日 · The longest mountain range on Earth is called the mid-ocean ridge. Spanning 40,389 miles around the globe, it's truly a global landmark. About 90 percent of the mid-ocean ridge system is under the ocean.