15 August 2015 at 1744 GMT the GEOS International Emergency Response Coordination Center (IERCC) received a 911/SOS alert from a SPOT device in Nuevo Leon, Mexico.  IERCC personnel contacted local emergency services and informed them of the activation. SAR personnel responded to the location and transported two females and one male that sustained unknown injuries when they fell while on a hiking trip. The individuals were transported by helicopter to the nearest hospital where they were treated for their injuries.