• Thumbnail for Portland Hills Fault
    The Portland Hills fault zone is the largest shallow fault that cuts beneath Portland, Oregon. It stretches from Oregon City to Scappoose, and has a zone...
    1 KB (100 words) - 07:40, 27 April 2024
  • Bank fault is one of three large faults that runs underneath Portland, Oregon. It runs under the University of Portland. "Portland Hills Fault". Oregongeology...
    803 bytes (50 words) - 05:14, 19 January 2024
  • Thumbnail for Portland, Oregon
    the Portland Hills Fault on the city's west side, and the East Bank Fault on the east side. According to a 2017 survey, several of these faults were...
    205 KB (18,981 words) - 00:37, 4 November 2024
  • Hemphill-Haley, M.A., and Madin, I.P., 2003, The Portland Hills Fault –uncovering a hidden fault in Portland, Oregon using high-resolution geophysical methods...
    2 KB (195 words) - 03:54, 7 December 2017
  • Thumbnail for Tualatin Mountains
    The Tualatin Mountains (also known as the West Hills or Southwest Hills of Portland) are a range on the western border of Multnomah County, Oregon, United...
    5 KB (451 words) - 19:52, 5 April 2023
  • Thumbnail for Puget Sound faults
    oriented faulting, including the Entiat Fault in the North Cascades and the Portland Hills and related faults around Portland (see QFFDB fault map). Yet...
    178 KB (20,732 words) - 11:43, 13 September 2024
  • Thumbnail for Willamette Valley (ecoregion)
    The Portland/Vancouver Basin ecoregion (named for the cities of Portland and Vancouver) is a geological depression at the base of the Portland Hills fault-block...
    13 KB (1,338 words) - 17:49, 17 August 2024
  • anticlines along the Wardour–Portsdown fault and the Portland–Wight high (itself an inverted former basin). The Bray fault in the English Channel may link with...
    10 KB (1,352 words) - 03:45, 28 October 2024
  • types are normal faults, reverse faults, thrusts or thrust faults and strike-slip faults. Many faults may have acted as both normal faults at one time and...
    71 KB (758 words) - 16:35, 1 September 2024
  • The Waldo Hills form part of the divider between the upper and lower Willamette Valley. Additionally, the Waldo Hills as part of a larger fault system of...
    3 KB (336 words) - 05:05, 4 February 2018