Volcano Disaster Preparedness Request a Quote Before an Eruption Prepare an emergency kit and make a family communications plan.Follow evacuation orders issued by authorities.Danger from mudflow increases near waterways and with heavy rain. Mudflows can move very fast, so do not cross any bridge if a mudflow is approaching.Avoid low-lying areas such as valleys and rivers. Other Useful Links: USGS Volcano Hazards Program includes activity updates, feature stories, information about volcano hazards and resources. Request A Quote? Name Email Address Phone Question Thank you! Oops!