GB 17740-2017
ActiveGeneral ruler for earthquake magnitude
地震震级的规定
Application Summary AI generated
GB 17740-2017 specifies the methods for calculating and reporting earthquake magnitudes, including the surface-wave magnitude (Ms) and body-wave magnitude (Mb), using seismic waveform data. It is applied by seismological agencies and engineering firms in China for seismic hazard assessment, building code compliance, and post-earthquake emergency response. The standard ensures consistent magnitude measurement across monitoring stations, directly influencing the design of earthquake-resistant structures and public safety protocols.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.