Remote survey of fragile geologic features for use as earthquake ground motion constraints, Oregon and Washington, USA

Fragile geologic features (FGFs) are elements of the landscape that are vulnerable to destruction during sufficiently strong earthquake ground shaking. As result, the...脆弱地质特征（Fragile geologic features，FGFs）是指在足够强烈的地震动作用下易遭受破坏的地表景观要素。因此，该