CWarn.org is a global tsunami warning and alert system.

CWarn monitors global earthquake activity and alerts its members, via an SMS text message on their mobile phones, should a tsunami threat be forecast for their particular location.

The CWarn system makes use of its member’s latitude and longitude, taken from the member’s address to calculate distance from the earthquake and possible threat levels.

All possibly effected members are sent an SMS message detailing earthquake magnitude, time, date, location and threat level.  The system also allows for members to enter their travel itinerary before departure and their holiday whereabouts are remembered and computed accordingly.