Earthquake alarm

The utility model relates to an earthquake alarm comprising a fixed base. The earthquake alarm further comprises a swing member and an elastic member, wherein one end of the elastic member is fixedly connected with the fixed base, and the other end of the elastic member is fixedly connected with the lower end of the swing member. The fixed base is internally provided with an alarm which forms a closed circuit with a power supply, a spring switch and a conducting wire. The lower end of the swing member is equipped with a switch insert matched with the spring switch and used for switching off the closed circuit in a pre-warning state, the switch insert is connected and matched with the lower end of the swing member through a connecting wire, and the fixed base is provided with an insert opening for the switch insert to be inserted. According to the earthquake alarm, in a pre-warning state, the switch insert is inserted in the spring switch to switch off the closed circuit; and when an earthquake occurs, the swi