This method involves seismic technology developed by the US Government for detecting underwater explosions. Re-adapted for use as background blast monitoring equipment Hong Kong in 1995, first installed in the northeastern waters. Fixed monitoring locations were established in 2006, notably one near to the Jockey Club HSBC WWF Hong Kong Hoi Ha Marine Life Centre. Data from these units were used for discussions with the Marine Police and the Agriculture, Fisheries and Conservation Department (AFCD). The emphasis for these discussions was placed on protection of the Marine Parks, the last Marine Park bombing occurred in Hoi Ha Wan Marine Park in October 1999. With the assistance of community programs from NGO's, education awareness from the AFCD and diligent patrols by the Marine Police Blast fishing was completely eradicated from Hong Kong waters in 2011.