提升地震监测精准度！我国突破强震动加速度计检定技术

Core Viewpoint - The establishment of China's first strong motion accelerometer calibration device marks a significant advancement in earthquake monitoring technology, laying a solid foundation for precise quantification in disaster prevention and mitigation efforts [1] Group 1: Technological Advancement - The device covers the maximum ground vibration induced by earthquakes of magnitude 8 on land, equivalent to a car accelerating from rest to 216 kilometers per hour in 2 seconds, which is about twice the maximum acceleration of an F1 car [1] - Utilizing laser measurement technology, the device can detect extremely subtle changes, with an impact on earthquake magnitude calculation accuracy of only 0.002 magnitude [1] Group 2: Impact on Data Accuracy - The calibration device enhances the accuracy and comparability of data collected from different earthquake monitoring stations, ensuring reliable measurement of key parameters from the source [1]