Portland_Hills_Fault
The Portland Hills fault zone is the largest shallow fault that cuts beneath Portland, Oregon.[1] It stretches from Oregon City to Scappoose, and has a zone of deformation that extends at least 1,300 feet (400 m).[2]
The Portland Hills fault zone is the largest shallow fault that cuts beneath Portland, Oregon.[1] It stretches from Oregon City to Scappoose, and has a zone of deformation that extends at least 1,300 feet (400 m).[2]
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