The crisis over the last few weeks at Oroville Dam was about how to handle large amounts of water flowing into the lake with both of the reservoir’s spillways damaged. But there also was a seismic angle to the story. As Lake Oroville swung from being at 41% of capacity to 101% in just two months, scientists are asking whether the filling of the reservoir at the fastest rate in at least a generation can produce a damaging earthquake.