Various embodiments concern method of providing emergency messaging service to one or more users of one or mobile electrical devices. The method can include: using a first mobile electrical device to send a emergency trigger message, using the first mobile electrical device to send a emergency trigger message can include: receiving a location of the first mobile electrical device from a global positioning module, the global positioning module miming on the first mobile electrical device; receiving a first trigger message from a user of the first electrical device; and wirelessly transmitting the first trigger message and the location of the first mobile electrical device to a emergency response module running on at least one second processor of a first server; receiving the first emergency trigger message in emergency response module; determining a first emergency response unit associated with the first location of the first mobile electrical device; and transmitting the first emergency trigger message to the
