FactSheet: FS2026-E-0001

Title:
Study team report of the July 27, 2022 Magnitude (Mw) 7.0 Northwestern Luzon Philippines Earthquake

Authour:
Lessandro Estelito GARCIANO^1,2, Ariel SANTOS², Mark Elson LUCIO², Ademar PAMA², Ernesto MALICAD Jr.², Randy TABADERO², Danny DOMINGO², Villamor ABAD², Dorothy Maureen RALLECA², Vincent PILIEN², Aristotle DOMINGO², Christine Abegail PANTI³, and Kerby RUBINAS³

¹ Professor, Department of Civil Engineering, De La Salle University
² Association of Structural Engineers of the Philippines (ASEP) Study Team
³ Undergraduate Student, Department of Civil Engineering, De La Salle University

Key Facts

• Hazard Type: Earthquake
• Date of the disaster: July 27, 2022
• Location of the survey: Abra and Ilocos Sur, Philippines
• Date of the field survey: August 1-3, 2022
• Survey tools: Cameras, calipers, laser meters, drones, and inclinometers

Key findings: 
1) The epicenter of the magnitude 7.0 earthquake was located approximately 3 km away from Tayum, Abra, Philippines. Its origin was tectonic generated from the oblique movement of the Abra River Fault.
2) Damage to houses, schools, hospitals, churches and cultural heritage structures, and roads and bridges were significant and widespread.
3) Numerous landslides, sand boils, and ground fissures were also recorded.

Key Words: earthquake, damage to infrastructure, structural damage, cultural heritage, landslide

Paper: PDF 2,304KB