Tectonic Tilt Rates Derived from Lake-Level Measurements, Salton Sea, California

Science  11 Jan 1980:
Vol. 207, Issue 4427, pp. 183-186
DOI: 10.1126/science.207.4427.183


Tectonic tilt at the Salton Sea was calculated by differencing lake-level measurements from two points on the sea. During the past 26 years, tilting was down toward the southeast. By 1970 differential vertical movement amounted to 110 millimeters between two gages situated 38 kilometers apart on the southwest shore. A reversal in tilt direction in late 1972 has diminished the net differential vertical movement to 60 millimeters.