Researchers have long known that the mountain ranges surrounding the Central Valley have been rising faster than expected--a few millimeters every year for over a century. And over the same time, seismic activity in the area has also increased. According to a new study, both may be linked to the depletion of groundwater in the Central Valley. Colin Amos of Western Washington University is lead author on the study.
"We find that the mountains are rising surrounding the San Joaquin Valley where the greatest rates of groundwater withdrawal are happening. "