Winter storms are major public safety hazards that kill hundreds of Americans each year and cause billions of dollars in property damage. From blizzards that bury communities in several feet of snow, to ice storms that coat power lines and roads in inches of ice, to...

Wildfires have emerged as one of the most devastating and rapidly growing hazards in the United States. Driven by drought, warming temperatures, decades of fire suppression, and expanding urban development into fire-prone wildland areas, wildfires now burn millions of...

The United States is home to more active volcanoes than most people realize. The U.S. Geological Survey monitors more than 160 potentially active volcanoes in the United States and its territories, including in Hawaii, Alaska, Washington, Oregon, and California....

Tsunamis are series of ocean waves generated by large, sudden disturbances that displace massive amounts of seawater — typically undersea earthquakes, but also submarine landslides, volcanic eruptions, and even large meteorite impacts. In the deep ocean, tsunami waves...

Tornadoes are among the most violent and terrifying atmospheric phenomena on Earth. These rapidly rotating columns of air connect thunderstorm clouds to the ground and can carry winds exceeding 300 mph at their most intense. The United States experiences more...