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An area in the Pacific Northwest lies on a 'subduction' zone where a tectonic plate slides underneath the North American plate. Subduction zones produce the world's largest earthquakes. These quakes ...
A long-lost slab of Earth’s crust may be pulling away the bottom of the oldest part of North America, scientists say ...
North America is dripping—with sizable blobs of rock sinking from the underside of the continent, beneath the U.S. Midwest, ...
Latest California Earthquakes. Please wait a moment for map to load. Use controls or ... according to the USGS. In North America, only Alaska records more quakes per year than California.
Latest California Earthquakes. Please wait a moment for map to load. Use controls or ... according to the USGS. In North America, only Alaska records more quakes per year than California.
An area in the Pacific Northwest lies on a 'subduction' zone where a tectonic plate slides underneath the North American plate. Subduction zones produce the world's largest earthquakes.