The number of aftershocks recorded following the magnitude 7.8 earthquake that struck Southern and Central Mindanao on June 8 has reached 4,554 as of 7:00 AM Saturday, with daily counts showing a gradual decline, the director of the Philippine Institute of Volcanology and Seismology (PHIVOLCS) said. PHIVOLCS Director Teresito Bacolcol made the disclosure in an interview on DZRH News program Special on…