For Earthquake Occurence: For issuance of certificate on earthquake events, please send a formal letter stating the location and date of the event and the intended use of the certificate.  For insurance purposes, kindly state the name and address of insurance agency.  All letters must contain the name, address and contact number (if any) of the requestee and should be sent to:   Ishmael C. Narag Officer-in-Charge, SOEPD Philippine Institute of Volcanology and Seismology C. P. Garcia Ave., UP Campus, Diliman, Quezon City