南加州帕姆代尔隆起对于地球物理学家也是一大疑案。帕姆代尔隆起是南加州八万三千平方公里地区内生命财产的不祥之兆。1975年发现这一隆起时(1960年前后明显隆起),地球物理学家们就不得不考虑这个隆起是否意味着一场大震的来临。在1980年春天一次地震预报讨论会上,美国地质调查局 W·撒切尔反复强调指出:“诚实的研究人员可能对这一隆起 The Palmdale Uplift in southern California is also a big mystery for geophysicists. The uplift of Palmdale is an ominous sign of life and property in the 83,000-square-kilometer area of ​​southern California. When this uplift was discovered in 1975, markedly up and down in 1960, geophysicists had to consider whether this uplift meant a major earthquake. At an earthquake forecasting symposium in the spring of 1980, W. Thacher, the United States Geological Survey, repeatedly emphasized: "Honest researchers may be interested in this uplift