Natural Disaster Risk in Marietta

Natural Hazard Profile: Marietta, Illinois

Marietta is a small unincorporated community in Fulton County, in the interior eastern United States. The area experiences bitterly cold winters and hot, humid summers, with a severe thunderstorm and tornado season each spring shaping the pattern of natural hazards that residents encounter. Understanding the local risk profile is essential for anyone living in, moving to, or owning property in Marietta.

According to FEMA's National Risk Index, Marietta carries an overall risk score of 6.4/10, placing it in the high category. Hail is the primary natural disaster concern, with severe storms delivering baseball-sized or larger hailstones that cause significant insured losses each year. The area also faces notable exposure to landslide and earthquake.

Marietta's risk score, slightly above the 5.8/10 state average and above the U.S. national average of 4.5/10. Of the 18 hazard categories tracked by FEMA for Fulton County, the highest-scoring are hail, landslide, and earthquake. These scores reflect county-level data and represent the baseline risk that all communities in the county share.

Marietta's high risk designation reflects meaningful exposure to natural hazards. Residents should verify that their insurance covers the area's primary risks, prepare a family emergency plan, and stay informed about seasonal hazard peaks through local weather and emergency management services.