《明史·志·卷六》
二十一年九月甲戌日，平阳、固原、宁夏、洮州同日发生地震，伴有声响。
二十一年九月甲戌，平阳、固原、宁夏、洮州同日地震，有声。
On Jiayou day in September of the 21st year, earthquakes occurred in Pingyang, Guyuan, Ningxia, and Taozhou on the same day, accompanied by a sound.