Portland Hills Fault M 6.8 earthquake peak horizontal acceleration (g) at the ground surface

This archived document is maintained by the Oregon State Library as part of the Oregon Documents Depository Program. It is for informational purposes and may not be suitable for legal purposes."Funding by the State of Oregon and the U.S. Geological Survey ... under USGS award number 1434-HQ-96-GR-02727."Includes text and index mapRelief shown by shadingMode of access: Internet from the Oregon Government Publications Collection.Text in English