本文介绍了地应力波接收仪的结构和特性,以及初步观测结果。该仪器在野外观测中,不仅记录到许多区域性地震,还记录到一些地震前的应变阶跃,它可能是一种临震前兆信息。记录到的震中距小于70公里的地震,其初动方向呈四象限分布。 This article introduces the structure and characteristics of the ground stress wave receiver, as well as preliminary observations. In the field observation, the instrument not only records many regional earthquakes, but also records some pre-earthquake strain steps, which may be a precursory imminent earthquake information. The recorded epicentral distances less than 70 kilometers of earthquakes, the initial direction of the four quadrants.