Local Hazards

Emergency Management is responsible for monitoring and documenting all hazards that affect our region. Each hazard is unique and presents unique difficulties for the citizens and responders of Onslow County.

Knowing what hazards affect your area the most helps you prepare for and recover from them better. This page will document the hazards that have, or may have, an impact in Onslow County. Click on each hazard to learn more about what the hazard is, how it may impact you and how you can be prepared. 
  1. Droughts

    Drought refers to a deficiency in precipitation over an extended period.

  2. Earthquakes

    Earthquakes are geologic events that involve movement or shaking of the Earth's crust.

  3. Extreme Heat

    Covers extreme heat causes, conditions and safety.

  4. Flooding

    Flooding typically occurs when prolonged rain falls over several days, when intense rain falls over a short period of time, or when an ice or debris jam causes a river or stream to overflow onto the surrounding area.

  5. Hurricanes

    Hurricanes and coastal storms are a tropical cyclone that is a rotating, organized system of cloud and thunderstorms that originate in tropical or subtropical waters and have closed low-level circulation.

  6. Sinkholes

    Sinkholes are a cavity in the ground that is caused by water erosion.

  7. Storm Surge

    Along the coast, storm surge is often the greatest threat to life and property from a hurricane.

  8. Thunderstorms & Hail

    Thunderstorms are the result of convection in the atmosphere.

  9. Tornadoes

    A tornado is a narrow, violently rotating column of air that extends from the base of a thunderstorm to the ground.

  10. Tsunamis

    A tsunami is a set of ocean waves caused by any large, abrupt disturbance of the sea-surface.

  11. Wildfires

    A wildfire is an uncontrolled burning of grasslands, brush or woodlands.

  12. Winter Storms

    Winter storms can range from a moderate snow over a few hours to a blizzard with blinding, wind-driven snow that lasts for several days.