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  2. Cascadia subduction zone - Wikipedia

    en.wikipedia.org/wiki/Cascadia_subduction_zone

    In 2004, a study conducted by the Geological Society of America analyzed the potential for land subsidence along the Cascadia subduction zone. It postulated that several towns and cities on the west coast of Vancouver Island, such as Tofino and Ucluelet, are at risk for a sudden, earthquake initiated, 1–2 m subsidence. [23]

  3. List of fault zones - Wikipedia

    en.wikipedia.org/wiki/List_of_fault_zones

    Macquarie Fault Zone >400: South Pacific Ocean: Fault (geology)#Strike-slip faults: Active: 1989 Maquarie Isl. (8.2), 2008 Macquarie Island earthquake (M7.1) Mae Chan Fault: 120: Thailand and Laos: Sinstral: Active: 2007 Laos (M6.3) Magallanes–Fagnano Fault: South America: Transform: Main Boundary Thrust: 2000: Himalaya: Thrust: Active ...

  4. Queen Charlotte Fault - Wikipedia

    en.wikipedia.org/wiki/Queen_Charlotte_Fault

    Tectonic map of Alaska and northwestern Canada showing main faults and historic earthquakes. The Queen Charlotte Fault is an active transform fault that marks the boundary of the North American plate and the Pacific plate. [1] [2] It is Canada's right-lateral strike-slip equivalent to the San Andreas Fault to the south in California. [3]

  5. Puget Sound faults - Wikipedia

    en.wikipedia.org/wiki/Puget_Sound_faults

    The San Juan Island and Leach River faults crossing the southern end of Vancouver Island are significant and undoubtedly connected with the Darrington—Devils Mountain and Southern Whidbey Island faults, and certainly of particular interest to the residents of Victoria, B.C. But their significance to the Puget Sound area is unknown.

  6. List of fracture zones - Wikipedia

    en.wikipedia.org/wiki/List_of_fracture_zones

    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 of south-west Pacific and north Pacific Ocean floors may have been characterised.

  7. Andesite line - Wikipedia

    en.wikipedia.org/wiki/Andesite_line

    The Pacific Ring of Fire runs parallel to the line and is the world's foremost belt of explosive volcanism. The term andesite line predates the geologic understanding of plate tectonics . The term was first used in 1912 by New Zealand geologist Patrick Marshall to describe the distinct structural and volcanologic boundary extending from east of ...

  8. Researchers gain clearest picture yet of fault that threatens ...

    www.aol.com/news/big-one-researchers-gain...

    A fault off the Pacific coast could devastate Washington, Oregon and Northern California with a major earthquake and tsunami. Researchers mapped it comprehensively for the first time.

  9. Alpine Fault - Wikipedia

    en.wikipedia.org/wiki/Alpine_Fault

    Map of the northern end of the Alpine Fault and Marlborough Fault System. The Pacific plate and Indo-Australian plate boundary forms the Macquarie Fault Zone in the Puysegur Trench off the southwestern corner of the South Island and comes onshore as the Alpine Fault just north of Milford Sound.