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Some fracture zones such as Chile and Valdivia make up large sections of the Nazca-Antarctic plate boundary. Map of the Chile Rise and its fracture zones in Nazca and the Antarctic plates Active Pacific Ocean fracture zones are perpendicular to the mid-ocean ridges (black lines) in orange shaded region. Since the map was prepared ages not shown ...
The most likely source of this event is the Molokai fracture zone, a structure in the Pacific Ocean seafloor that separates 85 million-year-old and 100 million-year-old oceanic lithosphere. It runs through the island chain near Lanai and Maui.
A more definitive mapping of fracture zones, including many with no official name, or not meeting the criteria for inclusion on this map, based on the 2015 project of Wessel et al., [1] exists as of 2018. [2]. This page is used on multiple pages and has complex logic so any alteration should be checked as a minor typo can break display on ...
The most rapid decrease in elevation and the highest ratio between the topography and geoid height are over the southeastern part of the chain, falling with distance from the hotspot, particularly at the intersection of the Molokai and Murray fracture zones. The most likely explanation is that the region between the two zones is more ...
The Ring of Fire is named after the several hundred active volcanoes that sit above the various subduction zones. In 2009, the deepest undersea eruption ever recorded occurred at the West Mata submarine volcano , a mile beneath the ocean, close to the Tonga - Kermadec Trench , within the Ring of Fire; [ 17 ] it was filmed by the US Jason ...
Magma ascent along fissures associated with the Molokai fracture zone. [13] [27] Changes in lithosphere thickness associated with the Molokai Fracture Zone. [13] [27] Development and spreading of a refractory mantle root underneath the Hawaii hotspot. [28] Secondary convection away from the main mantle plume. [29]
The quake itself occurred on the Mendocino fault zone. In Arcata, California, just under 60 miles from Petrolia, 25-year-old Jared Mitchell was having an early lunch in his apartment when he felt ...
The Blanco fracture zone is a fracture zone running between the Juan de Fuca Ridge and the Gorda Ridge. The dominating feature of the fracture zone is the 150 km (93 mi) long Blanco Ridge, which is a high-angle, right-lateral strike slip fault with some component of dip-slip faulting .