The October 15, 2013 Bohol Island, Philippines earth-quake and its damaging effects: An investigative report [FS2013-D-0004]

Title:
The October 15, 2013 Bohol Island, Philippines earth-quake and its damaging effects: An investigative report

Authour:
Lessandro Estelito GARCIANO¹ and Patrick TACLIBON² 

 1 Associate Professor, Department of Civil Engineering, De La Salle University (2401 Taft Avenue, Malate, Manila 1004, Philippines) lessandro.garciano@dlsu.edu.ph 
2 Graduate Student, Department of Civil Engineering, De La Salle University (2401 Taft Avenue, Malate, Manila 1004, Philippines)
patrick.taclibon@dlsu.edu.ph 

Key Facts
・Date of the disaster: October 15, 2013
・Location of the survey: Bohol Island, Philippines
・Date of the field survey: October 26 and 27, November 4 and 5, 2013
・Survey tools: digital cameras and measuring tapes

Key findings:
1) The epicenter of the earthquake was approximately 6 km S24W of Sagbayan, Bohol with a focal depth of 12 km. The 7.2 magnitude earthquake was of tectonic in origin that was generated from a reverse thrust movement of a previously uncharted faul line. This new fault line is now named as the North Bohol Fault Line. 2) Damage from this earthquake was significant and widespread that included roads and bridges, schools and hospitals, government and private buildings, houses, seaports and airports
3) Landslides, liquefaction, sinkholes and lateral ground fissures where observed in many places.
4) The strong lateral movement also damaged the nation’s cultural heritage structures such as centuries old churches and watchtowers 

Key Words:
earthquake, liquefaction, cultural heritage structures

Paper: PDF 1.4MB