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A static equivalent is an approach method to design earthquake loads that must be calculated in the structural design. This method is practical and easy to apply, but only appropriate for low structures with high rigidity. This paper aims to investigate how high structures are still allowed to be designed using static equivalent earthquake loads. Validation is done by comparing the results of the static equivalent analysis with the results of time history analysis representing the reality. The structural models are four open resisting concrete frame 2D, with 7, 9, 10 and 15 stories. The Analysis use the SAP2000 program resulting in a structural response, include a base shear, story shear, and displacement. The result of the analysis shows that the static equivalent method is not recommended to design earthquake loads of more than nine stories structures. The potential damage of structures designed using static equivalent methods is in the basic story.