U.S. mom concerned about a nuclear power plant across the street . Agency : Chance of yearly quake core damage upgraded to 1 in 45,455 , vs. 45,455 in 1 before . New data also affects other Pennsylvania nuclear power plants ; officials reviewing regulations . Owner : Plant is safe ; mom : `` Should something occur , they would warn us ''
Pennsylvania mom concerned about a nuclear power plant across the street . Agency : Chance of yearly quake core damage upgraded to 1 in 18,868 , vs. 1 in 45,455 before . New data also affects other U.S. nuclear power plants ; officials reviewing regulations . Owner : Plant is safe ; mom : `` Should something occur , they would warn us ''