Sentences with phrase «pacific subduction zones»

The deep mantle - derived buoyancy, together with plate cooling at the surface, creates negative buoyancy that together explain the observations along the East Pacific Rise and surrounding Pacific subduction zones.

The deep mantle - derived buoyancy, together with plate cooling at the surface, creates negative buoyancy that together explain the observations along the East Pacific Rise and surrounding Pacific subduction zones.

Not exact matches

They simulated earthquakes with magnitudes between 9.0 and 9.6 originating at different locations along the Aleutian - Alaska subduction zone, a 3,400 - kilometer (2,113 - mile) long ocean trench stretching along the southern coast of Alaska and the Aleutian Islands where the Pacific tectonic plate is slipping under the North American plate.

Now scientists are calling attention to a dangerous area on the opposite side of the Ring of Fire, the Cascadia Subduction Zone, a fault that runs parallel to the Pacific coast of North America, from northern California to Vancouver Island.

On the Pacific Coast, this area sits along the subduction zone known as the Cascadia plate, which runs down the west coast of Canada to the west coast of the United States.

The island nation sits atop an active subduction zone where the Pacific Plate slips below the Australian Plate.

The Tohoku - Oki earthquake occurred in a «subduction zone,» a boundary between two tectonic plates where one plate is diving beneath another — in this case, the Pacific plate dives beneath the Eurasian plate just east of Japan.

The findings could apply to other faults with similarly thick sediment, such as the Cascadia Subduction Zone in the Pacific Northwest, suggests study coauthor Andre Hüpers, a geophysicist at the University of Bremen in Germany.

The map shows that, so far, almost all of the aftershocks have occurred along the subduction zone that lies on the boundary of the Pacific plate.

Research teams have evaluated the major 7.8 magnitude subduction zone earthquake in Gorkha, Nepal, in April 2015, and identified characteristics that may be of special relevance to the future of the Pacific Northwest.

Ward modeled the effects of a magnitude 9.2 earthquake in the Cascadia subduction zone — a 58,000 - square - mile region in the Pacific from British Columbia to Northern California where the Juan de Fuca plate sinks beneath the North American plate.

Scientists have discovered that the last subduction zone earthquake to hit the Pacific Northwest was in January 1700, when — like now — soils probably would have been soggy from winter rains and most vulnerable to landslides.

The subduction zone earthquake expected in the future of the Pacific Northwest is expected to be larger than the event in Nepal.

The Cascadia Subduction Zone off the coast of the Pacific Northwest has all the ingredients for making powerful earthquakes — and according to the geological record, the region is due for its next «big one.»

The most hazardous swath of the northeastern Pacific lies along the Cascadia subduction zone (CSZ), a tectonic interface that parallels the coast and poses a seismic threat to cities such as Victoria, British Columbia; Portland, Ore.; and Eureka, Calif..

The challenge, said Kohler, was to develop a standard set of algorithms that could account for the different tectonic environments in each region, including the offshore subduction zone in the Pacific Northwest and the mostly on - shore faults in California.

The earthquake occurred along a 500 - kilometre segment of the Peru - Chile subduction zone, where part of the Nazca Plate in the Pacific Ocean plunges beneath the South American Plate.

The volcanoes are formed by conditions at the subduction zone where one of Earth's largest tectonic plates, the Pacific Plate, dives beneath the Australian Plate.

Based in part on the growing certainty about these issues, OSU has developed the Cascadia Lifelines Program, an initiative working with Pacific Northwest business and industry to help prepare for the upcoming subduction zone earthquake, mitigate damage and save lives.

The last major earthquake on the Cascadia Subduction Zone — pinpointed in time because it caused a tsunami that raced all the way across the Pacific Ocean to Japan — occurred in January, 1700, more than 315 years ago.

A new analysis suggests that massive earthquakes on northern sections of the Cascadia Subduction Zone, affecting areas of the Pacific Northwest that are more heavily populated, are somewhat more frequent than has been believed in the past.

The study site, Stardust Bay, faces a creeping part of the eastern Aleutian Subduction Zone, which is sandwiched between the rupture areas of historical earthquakes in 1946 and 1957 that generated tsunamis with devastating consequences to coastal communities around the Pacific Ocean.

However, an offshore subduction zone earthquake or an earthquake generated somewhere else around the Pacific Ocean will generate a tsunami, which is actually a series of waves.

That variety implies that almost any scenario is possible in another part of the Pacific Rim where quake risk is thought to be high — along the Cascadia subduction zone offshore of Washington, Oregon, and other parts of the western United States and Canada.

Scientists have been attracted to the region because of the subduction zone located at the bottom of the ocean where the Pacific and North American tectonic plates collide, the Aleutian Trench.

In contrast to more common shallow and deep earthquakes, a subduction zone quake will generate a destructive tsunami, a series of waves up to 30 feet (10 m) high that will hit the Cascadia coast and travel across the Pacific Ocean toward Alaska, Hawaii and Asia.

The Pacific Ocean is the only ocean which is almost totally bounded by subduction zones.

Olgun, N. et al. (2011) Surface ocean iron fertilization: The role of airborne volcanic ash from subduction zone and hot spot volcanoes and related iron flues into the Pacific Ocean.