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The Pacific Plate is an oceanic tectonic plate that lies beneath the Pacific Ocean. The volcanoes are fueled by the subducting plates. In June 2009 a ship found the depth to be 10,971 meters (35,994 feet) or about 6.8 miles. Throughout earth’s history, these plates have cyclically crashed against each other, died out, and been recreated. The largest block of Pacific Plate’s continental crust is located near Zealandia, east of the Puysegur. Each year, the Pacific Plate pushes a couple of inches towards Alaska, which is generally considered to be part of the North American Plate. In fact, most earthquakes strike within the ring. Between 190 and 180 million years ago, this humongous landmass began to break up along what is now Africa. The Pacific Plate is the largest of the 7 major tectonic boundaries. Tsunamis, which cause terrible destruction when hitting the land, happen especially in this area. The Kids Fun Science Bookstore covers a wide range of earth science topics. Volcanoes can also occur over “mantle plumes”. Subduction zones have formed around the Pacific Ocean as continental plates and younger oceanic plates converge with the Pacific Plate. It is the boundary between the North American Plate and the Pacific Plate. 5. Image Courtesy: www.strangesounds.org. Today, the Pacific Plate, along with the Pacific Ocean Basin, is shrinking. …an oceanic plate is the Pacific Plate, which extends from the East Pacific Rise to the deep-sea trenches bordering the western part of the Pacific basin. the Aleutian, Kuril, Japan, Izu-Bonin, and Marianas subduction zones). The subductions along the outer limits of the Pacific Ocean produce a great arc of earthquakes and volcanic activity, famously known as the "Ring of Fire". This process is called subduction. They’re super-hot areas of rock inside the Earth! It covers more of Earth’s surface than all the dry land put together. You can think of them like a giant round puzzle that cover Earth underneath the ground. All plate tectonics move deceptively slow. According to the dated rocks, it is about 200 million years old. These occur when two neighboring plates move in opposite directions. The Pacific Plate, which see some major tectonic activities in the Ring of Fire is cooling off. The subduction zones surrounding the Pacific Plate are overriding the heavier and denser Pacific Plate. Ring of Fire Facts Pacific Ocean Volcanoes & Earthquakes. “That we could calculate on a laptop,” Gordon said. The average rate of motion of the Pacific rate is 5 to 10 cm per year. List of Pacific Ocean Facts The word “pacific” […] In the middle of its eastern side, the San Andreas Fault forms a boundary with the North American Plate. First dive to bottom of Challenger DeepThe Challenger Deep is at one end of the trench and is the deepest point on Earth. The Pacific Plate Conveys the Hawaiian Islands . This nature of the Pacific Plate is believed to be responsible … Plates surround the Pacific OceanThe Pacific Plate is surrounded by large and small crustal plates. Interesting Facts about Plate Tectonics. On its northern side, the Plate subducts under the North-American Plate, forming a convergent boundary and the Aleutian Trench along the islands of the same name. Click here to browse.Â. 200 million years ago, most of these plates joined the surface landmasses into a super-continent called Pangaea, which surrounded a mega-ocean called Panthalassa. These tectonic plate boundaries are the reason that of the 1,500 volcanoes that have been active in historic time and 90 percent of them occur in the Pacific Ocean. The Pacific Ocean is one of the most fascinating oceans in the world. In the southwest, the Pacific Plate has a mutually subducting relationship with the Indo-Australian Plate. Ring of Fire has several hot spots. Recycling oceanic platesDivergent boundaries increase the size of the oceanic plates. Scientists have found out that the parts of the plate which are younger (only 2 million years old – approximately) are contracting and cooling faster than the older parts (about 100 million years old). These pieces bump together and move, even though it is only a couple of centimeters a year. Tectonic plate movement in the Pacific Ocean has created subduction zones that cause volcanoes to erupt, large subduction zone earthquakes, and tsunamis. The event began with a powerful earthquake off the coast of Honshu, Japan’s main island, which initiated a series of large tsunami waves that … Densely populated Japan is at the mercy of both offshore megathrust … Here is a selection of the most amazing facts about the Pacific Ocean. Scientists have found out that the parts of the plate which are younger (only 2 million years old – approximately) are contracting and cooling faster than the older parts (about 100 million years old). Scientist use these earthquake patterns to determine the boundary between the plates. It's a string of volcanoes in the Pacific Ocean, and the region is prone to earthquakes. Pacific Plate Although it is the largest present-day lithospheric plate, the Pacific Plate is shrinking because most of its margins, apart from the East Pacific Rise and the Pacific–Antarctic Ridge, are subduction zones (e.g. The Ring of Fire The Ring of Fire is an area around the Pacific Ocean that is volcanically and seismically active. Due to the effects of plate tectonics, the Pacific Ocean is currently shrinking by roughly 2.5 centimeters (0.98 inches) per year on three sides, roughly averaging 0.52 square kilometers (0.20 square miles) a year. There are evidences that the minor plates of Juan de Fuca, Nazca, and Cocos are what remain of an earlier plate called the Farallon. 19. However, in some areas, it moves more than 10 cm. The Pacific Ocean, which is larger, covers about one-third of the Earth. Japan earthquake and tsunami, severe natural disaster that occurred in northeastern Japan on March 11, 2011, and killed at least 20,000 people. At 103 million km (40 million sq mi), it is the largest tectonic plate. The Pacific Plate can show the chronology of the Pacific seafloor in a stair-step way, with the oldest being subducted into Asian Pacific trenches as early as 145 million years ago. From sheer size to an amazing collection of islands, archipelagos, volcanoes and other physical features, this ocean is an absolute treasure trove. Most of the world’s atolls are situated in the Pacific ocean. The Pacific Plate is constantly in motion. A part of the subduction zone measuring approximately 190 miles (300 km) long … These volcanoes can be extremely explosive and deadly. But the Pacific Ocean is slowly shrinking at a rate of 0.5 square kilometers (0.19 square miles) per year due to Plate Tectonics. The Pacific Plate subducts beneath the Okhotsk Plate at the Japan Trench. In this subduction zone, some of the ocean plate melts and the molten rock pushes to the surface in a string of 40 active volcanoes, forming the Aleutian Islands. The Pacific plate contains all three plate tectonic boundary types along its boundary. The hot spot under the Pacific Plate near the far southwestern Pacific reaches of the USA gave rise to the … The earthquake was caused by the rupture of a stretch of the subduction zone associated with the Japan Trench, which separates the Eurasian Plate from the subducting Pacific Plate. A geological map of the seabed of the Pacific Ocean uncovers geologic sequences over millions of years, and house information that they formed the Ring of Fire on the perimeters of the largest ocean. Composite volcanoes formOn the continental side of the subduction zones a towering composite volcano (stratovolcanoes) erupts rhyolite, dacite and andesite lavas. The boundary's northern tip stretches into the Gulf of California, putting it well within the … Pacific plate is the largest crustal plate on earth, it covers about 103,300,000 square kilometers of our planet. For a more detailed view see Figure 1 in United States Geological Survey Open File Report 00-0365: Eastern Aleutian Volcanic Arc Digital Model. It makes up 28% of the Earth’s surface and is home to the world’s deepest oceanic trench, the Mariana Trench.. That’s about how long your … The Pacific Plate forms a relatively harmless transform boundary with the Caroline Plate near the equator to the north of New Guinea. The Himalayan Mountains, including Mount Everest, were formed by the convergent boundary of the Indian Plate and the Eurasian Plate. It is located at the basin of Pacific Ocean. It is the cause of so many earthquakes in California. The Pacific Plate, with most of the kinetic energy and subduction zones of the plate-tectonic system, can in many ways be considered the top of the Earth's dominant convection cell. In fact, most earthquakes strike within the ring. In southwestern Alaska, those two plates meet head on, and the Pacific plate sinks beneath the North American plate. The Pacific Plate is a tectonic plate beneath parts of the Pacific Ocean . Here, the Pacific Plate moves northwest with respect to the North American Plate. The Pacific Plate is constantly in motion. The adjoining plates are the Nazca Plate, the South American Plate, the African Plate, the Somali Plate, the Indo-Australian Plate, the Pacific Plate, and, across a transform boundary, the Scotia Plate. At 103 million km 2 (40 million sq mi), it is the largest tectonic plate. In the case of the Eurasian Plate, it moves at a rate of just 7-14 millimeters per year. Retrieved from " https://wiki.kidzsearch.com/w/index.php?title=Pacific_Plate&oldid=4668813 ". The Pacific Plate acts a sort of "museum" of underwater paleo-geology. Here is a link where you can view pictures of his dive. Much of the volcanic and seismic activity on earth can be contributed to plate tectonics, a relatively new scientific concept that was brought forth in the 60s. Many geologists consider the two areas a… Here's five facts. By contrast, the Atlantic Ocean is increasing in size. This process is called subduction. As atolls are only found in warm ocean water, the southern most atoll are the Coral Sea Islands to the West of the Barrier Reef in Australia. The Philippines belong to the Pacific Ring of Fire where the oceanic Philippine plate and several smaller micro-plates are subducting along the Philippine Trench to the E, and the Luzon, Sulu and several other small Trenches to the W. Tectonic setting of the Philippines The tectonic setting of the Philippines is complex. That means it shares convergent, divergent, and transform borders with other tectonic plates. The Pacific is the oldest ocean basin. The tiny Juan de Fuca plate is largely responsible for the volcanoes that dot the Pacific Northwest of the United States. Award Winning Earth Science Materials at our Bookstore. The Pacific plate, on which the Ring lies, is the largest Tectonic plate of the Earth. The plates make up Earth's outer shell, called the lithosphere . Pacific Island of Oahu. Earth's largest crustal plate The Pacific Plate is the largest crustal plate on our planet. Earthquakes are found along all types of plate margins as shown on this map. The crust melts producing the magma that feeds the different volcanoes in the Pacific Ring of Fire or it will help produce new volcanoes. It has created the Mariana Trench, which is the deepest part of the Pacific Ocean, or any other ocean of the world for that matter. Pacific Ring of FireThe Pacific Ring of Fire is a horseshoe shaped area around the Pacific Ocean that contains subduction zones and deep trenches. The Pacific Ocean is the world’s largest ocean. Type into your favorite search engine James Cameron Challenger Deep Dive to watch a video of his dive. (Some geologists argue that this portion of the Eurasian Plate is actually a fragment of the North American Plate called the Okhotsk microplate.) It moves at a rate of four inches a year. The average rate of motion of the Pacific rate is 5 to 10 cm per year. Tsunamis are generated by large earthquakes and that is the reason ninety percent of the world's tsunamis also occur in the Pacific Ocean. Did you know that we have a FREE downloadable Volcanoes of Ecuador primary resource? Good old GPS! Fish are an important economic asset in the Pacific. Pacific Ring of Fire Facts: 16-20 | Countries in Ring of Fire, Its Shape It moves at a rate of four inches a year. 6. What Would Happen If A Tectonic Plate Broke. Pacific Plate is the largest tectonic plate on Earth. They divided the Pacific plate into a grid and calculated the strain on each of the nearly 198,000 squares based on their age, as determined by the seafloor age model published by the National Geophysical Data Center. The most aged Pacific Ocean floor is just around 180 Mega-annum old, with older outside layer sub-ducted at this point. All maps, graphics, flags, photos and original descriptions © 2021 worldatlas.com. The plates perform as hard and rigid shells which constitute the foundations of our terrestrial geography.

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