Most active volcanoes in the U.S. are in Hawaii, Alaska and the Pacific Northwest. The danger area near a volcano covers about a 20-mile radius. Some danger, though, may exist 100 miles or more away.

Visit these resources to find out how to prepare for and respond to a volcanic eruption.

Learn the many hazards of a volcanic eruption. Learn how to build an Emergency Supply Kit and make a Family Emergency Plan. Learn what you need to be aware of during an eruption, and how to find shelter and information after. (Ready.gov)

Volcano Preparedness
Do you live in a known active or dormant volcano area? If so, you need to know about your local warning systems and emergency plans. Learn the other hazards that can be caused by an eruption and how to prepare before an event. Find out what to do during an eruption, whether indoors or outdoors, and how to protect yourself during ashfall. You can also get tips on how to stay safe after. (American Red Cross)

Get information about how to prepare for a volcanic eruption. You can also learn how the EPA responds and about the health and environmental impacts after. (Environmental Protection Agency)

Volcanoes - What You Should Know
Get advice on how to protect yourself and your family after an eruption. There are also links to help you learn about other hazards that can occur with an eruption. (Centers for Disease Control and Prevention)

Volcanic Ash
Learn what ash is, what it can do, and how to prevent damage. Get tips on what actions to take for clean-up and disposal. You can also view brochures about volcanic ash from the International Volcanic Health Hazard Network (IVHHN). (U.S. Geological Survey)

Visit these pages on our site to learn more about other hazards that can occur with a volcanic eruption: earthquake, fire, flood, landslidetsunami or wildfire.

Last Updated: 04/26/2018