Local mitigation strategy (LMS) - Volusia County Government

SECTION 5: HAZARD PROFILES5.12.2 Location and Spatial ExtentSinkholes are typically localized occurrences that cannot be mapped to any specific geographicboundaries.5.12.3 Historical OccurrencesThere were 80 sinkholes in Volusia County between 1973 and 2005. Figure 5.12 shows the location ofthese sinkholes. Seventy-eight of these sinkholes were located in the Volusia County study area asshown in Table 5.17, as reported to the NCDC. In 2004 there was a major sinkhole that occurred inDeland. In December 2004, a sinkhole devoured a 160-foot area, swallowing all four lanes of HowlandBoulevard, cracked the walls of a nearby home and caused the evacuation of 20 homes. It wasestimated that it would take 1 million cubic yards of dirt to the fill the hole.No other sinkholes have occurred since 2005.FIGURE 5.12: Historical Sinkhole Location in Volusia CountySource: MEMPHISVolusia County Multi-jurisdictional Local Mitigation StrategyFebruary 20105:57