Arkansas Center for Earthquake Education and Technology Transfer

Harrisburg, Arkansas
Population: 1,943
Buildings: 777

  Richter Magnitude
5.0 - 5.9 6.0 - 6.9 7.0 - 7.9 8.0 - 8.9
Effects on People  
Percentage Feeling Quake 100% 100% 100% 100%
Serious Injury (night/day) 0 / 2 2 / 19 10 / 97 19 / 194
Fatalities (night/day) 0 / 1 1 / 4 2 / 19 4 / 39
Displaced 194 641 972 1,263
Effects on Buildings  
Damage to Contents 80% 100% 100% 100%
Architectural Damage 70% 100% 100% 100%
Slight Structural Damage 45% 95% 100% 100%
Moderate Structural Damage 5% 50% 70% 90%
Severe Structural Damage 0.1% 20% 30% 50%
Collapsed Buildings 0% 5% 10% 20%
Effects on Bridges  
Slight to Moderate Damage 5% 50% 100% 100%
Severe Damage 2% 30% 65% 100%
Collapsed 0% 10% 30% 45%
Effects on Lifelines  
Electric Outage Probable Yes Yes Yes
Telephone Outage Probable Yes Yes Yes

Source: "Damage Estimates From An Earthquake in the New Madrid Fault Zone",
Arkansas Office of Emergency Services, 1992

 

Pictures of Harrisburg before the Earthquake

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