Situation Report # 1 23 April 2019, 10:00pm CHRONOLOGICAL SUMMARY At around 5:11 PM on April 22, 2019, an #earthquake of tectonic origin struck Western Luzon, with its epicenter 2 kilometers from the town center of Castillejos, #Zambales. Immediately after the quake, state agency Philippine Institute of Volcanology and Seismology (Phivolcs) reported the quake as...