Earthquakes in the Mississippi Valley
                        
                            GPTKB entity
                        
                    
                Statements (23)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | 
                                    
                                        
                                            gptkb:seismic_event
                                        
                                         | 
                            
| gptkbp:affectedStates | 
                                    
                                        
                                            gptkb:Arkansas
                                        
                                         gptkb:Illinois gptkb:Kentucky gptkb:Mississippi gptkb:Missouri gptkb:Tennessee  | 
                            
| gptkbp:causedBy | 
                                    
                                        
                                            gptkb:New_Madrid_Seismic_Zone
                                        
                                         | 
                            
| gptkbp:historicalSignificance | 
                                    
                                        
                                            
                                            caused widespread ground deformation
                                        
                                        
                                         changed course of Mississippi River felt over large area of eastern United States  | 
                            
| gptkbp:maximumSpeed | 
                                    
                                        
                                            
                                            estimated 7.5–8.0
                                        
                                        
                                         | 
                            
| gptkbp:monitors | 
                                    
                                        
                                            gptkb:United_States_Geological_Survey
                                        
                                         | 
                            
| gptkbp:notableEvent | 
                                    
                                        
                                            gptkb:New_Madrid_earthquakes_of_1811–1812
                                        
                                         | 
                            
| gptkbp:notableFor | 
                                    
                                        
                                            
                                            1811
                                        
                                        
                                         1812  | 
                            
| gptkbp:notablePlace | 
                                    
                                        
                                            gptkb:Mississippi_Valley
                                        
                                         | 
                            
| gptkbp:riskFactor | 
                                    
                                        
                                            
                                            moderate to high
                                        
                                        
                                         | 
                            
| gptkbp:zone | 
                                    
                                        
                                            gptkb:Wabash_Valley_Seismic_Zone
                                        
                                         gptkb:New_Madrid_Seismic_Zone  | 
                            
| gptkbp:bfsParent | 
                                    
                                        
                                            gptkb:Clarence_Dutton
                                        
                                         | 
                            
| gptkbp:bfsLayer | 
                                    
                                        
                                            
                                            6
                                        
                                        
                                         | 
                            
| https://www.w3.org/2000/01/rdf-schema#label | 
                                    
                                        
                                            
                                            Earthquakes in the Mississippi Valley
                                        
                                        
                                         |