Magnitude 5.7 Earthquake Hits Ilocos Norte : Intensity IV Reported in Baguio City

An earthquake with a magnitude of 5.7 struck near Bangui, Ilocos Norte, at 2:54 AM on December 4, 2024. According to the Philippine Institute of Volcanology and Seismology (PHIVOLCS), the quake originated from a tectonic source and had a depth of focus of 23 kilometers. The epicenter was located 4 kilometers southwest of Bangui, Ilocos Norte.

Impact and Intensities

The earthquake caused significant shaking, with varying intensity levels reported across the affected regions. PHIVOLCS warns that damages and aftershocks are expected. Below is a breakdown of the reported intensities by area:

Reported Intensities

• Intensity V
  • City of Laoag, Ilocos Norte
  • Pagudpud, Ilocos Norte
  • Dumalneg, Ilocos Norte
  • Burgos, Ilocos Norte
  • Pasuquin, Ilocos Norte
  • Bacarra, Ilocos Norte
  • Adams, Ilocos Norte
  • Sarrat, Ilocos Norte
  • San Nicolas, Ilocos Norte
• Intensity IV
  • City of Batac, Ilocos Norte
  • Currimao, Ilocos Norte
  • Pinili, Ilocos Norte
  • Sinait, Ilocos Sur
  • City of Vigan, Ilocos Sur
  • San Vicente, Ilocos Sur
  • Santa Catalina, Ilocos Sur
  • Bantay, Ilocos Sur
  • Santa Lucia, Ilocos Sur
  • Narvacan, Ilocos Sur
  • San Esteban, Ilocos Sur
  • Cabugao, Ilocos Sur
  • San Juan, Ilocos Sur
  • Caoayan, Ilocos Sur
  • Magsingal, Ilocos Sur
  • San Ildefonso, Ilocos Sur
  • Santa Cruz, Ilocos Sur
  • Santo Domingo, Ilocos Sur
  • Santiago, Ilocos Sur
  • City of Candon, Ilocos Sur
  • Santa Maria, Ilocos Sur
  • Lacub, Abra
  • Tayum, Abra
  • San Juan, Abra
  • La Paz, Abra
  • San Isidro, Abra
  • Pidigan, Abra
  • Bangued, Abra
  • Tubo, Abra
  • Bucay, Abra
  • City of Baguio
  • Atok, Benguet
  • Buguias, Benguet
  • Besao, Mountain Province
  • Bontoc, Mountain Province
• Intensity III
  • La Trinidad, Benguet

Instrumental Intensities

• Intensity V
  • City of Laoag, Ilocos Norte
  • Pasuquin, Ilocos Norte
• Intensity IV
  • City of Batac, Ilocos Norte
  • San Nicolas, Ilocos Norte
  • Sinait, Ilocos Sur
  • City of Vigan, Ilocos Sur
  • Gonzaga, Cagayan
• Intensity III
  • Bontoc, Mountain Province
• Intensity II
  • Peñablanca, Cagayan
  • Bangued, Abra

Advisories

PHIVOLCS reminds residents in the affected areas to remain vigilant for potential aftershocks and structural damages. Local authorities are urged to conduct thorough inspections of buildings and infrastructure. For emergencies, residents are encouraged to contact their local disaster response teams.