BHU WARN is an onsite Earthquake Early Warning(EEW) System that uses the difference of the velocities of P-wave and S-wave. It gives the warning on the arrival of a P-wave; Using this warning, the public can go out of the built environment to safe places before the arrival of S-Waves, which are damaging Seismic Waves. This is one of the best tools to save Human Lives from damaging earthquakes.