On Oct. 30 and 31, Prof. Geng was invited by NSFC (National Science Foundation of China) and CONICYT (Comisión Nacional de Investigación Científicay Tecnológica) to participate in a joint workshop on geohazard monitoring and management in Santiago, the capital city of Chile. Prof. Geng talked to Dr. Mario Hamuy (Chairman of CONICYT), Dr. Sergio Barrientos (Director of National Seismological Center of Chile) and Mr Sebastian Requelme (Head of Seismology group) on future collaboration in earthquake/tsunami early warning.