Devastating, life-threatening floods have already started in some states as an atmospheric river causes heavy rainfall.

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 ...

California lands are classified as either moderate ... The fire hazard severity zone maps are like flood zone maps, and they ...

In a worst-case tsunami, parts of Alameda, Oakland and Berkeley could be flooded up to an 18-foot elevation, California officials said in new study.

The California Geological Survey recently released new maps showing that potential tsunamis increase the threat of flooding in Alameda, Monterey, and San Mateo counties, along with other coastal ...

The risk of flooding from a major tsunami may be greater than many realized along California’s coastline, state officials reported in new study.

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 ...