San Andreas Fault 'Does the Wave,' New Research Finds

For the first time, scientists have revealed the vertical motion that has been hiding in plain sight along the San Andreas Fault. Four huge lobes of the Earth on either side of the San Andreas Fault are sinking, while others are rising, a new analysis of GPS data reveals. "While the San Andreas GPS data has been publicly available for more than a decade, the vertical component of the measurements had largely been ignored in tectonic investigations because of difficulties in interpretin