State rivers shows moderate flooding, with the Ohio River reaching a level that has only been seen once in the last 28 years.

The most recent risk assessment, outlined in maps published by the California Geological Survey, illustrate the devastation possible from extreme-but-realistic scenarios.

Some cities had fewer acres in the very high risk designation, but most of the region had more high risk acreage.

then a senior engineering geologist with the California Geological Survey tsunami unit, said in a statement in 2021. In the ...

then a senior engineering geologist with the California Geological Survey tsunami unit, said in a statement in 2021. In the latest update of the maps, potential tsunami flood areas were expanded i ...