A communication apparatus comprises: a disaster information receiving section connected to a communication line for receiving disaster information therefrom; a microphone; a speech recognizing section for recognizing speeches input from the microphone; a communication section; and a control section. When the disaster information receiving section receives disaster information from the communication line, the speech recognizing section starts recognizing speeches from the microphone. When the speech recognizing section recognizes the presence of the speeches from the microphone, the control section controls the communication section to make a call to a predetermined destination of communication.