West Valley Fault

The Philippine Institute of Volcanology and Seismology (Phivolcs) reported 99 aftershocks following the magnitude 6.3 earthquake that shook the coast of Dalupiri Island in Calayan, Cagayan yesterday.

In their 8 a.m. update today, the agency specified that these aftershocks varied in magnitude from 1.8 to 3.7 and occurred at depths ranging from 8 to 29 kilometers.

The earthquake, originally measured at magnitude 6.4, struck at 7:03 p.m. approximately 26 kilometers northwest of Dalupiri Island.

Here are the latest intensity readings recorded in various areas during the earthquake:

Intensity V

• Bacarra, Bangui, Burgos, City of Laoag, Pagudpud, Paoay, Pasuquin, and San Nicolas in Ilocos Norte.

Intensity IV

• Luna in Apayao
• Batac City, Currimao, and Pinili in Ilocos Norte
• Claveria, Enrile, Pamplona, Sanchez-Mira, and Santa Praxedes in Cagayan

Intensity III

• Bucay, Lacub, Lagayan, and San Juan in Abra
• Banayoyo, Bantay, Burgos, Caoayan, San Emilio, San Esteban, San Ildefonso, San Vicente, Santa Catalina, Santa Cruz, Santiago, Sigay, and Vigan City in Ilocos Sur
• Solana in Cagayan
• Santo Domingo in Nueva Ecija

Intensity II

• Dolores, La Paz, Luba, Pidigan, and Tubo in Abra
• Narvacan, Santa, and Santa Maria in Ilocos Sur
• Aparri in Cagayan

Intensity I

• San Isidro in Abra
• Candon City and Tagudin in Ilocos Sur
• Camalaniugan, Lal-Lo, and Santa Ana in Cagayan

Reports have emerged of injuries following a wall collapse in Calayan, Cagayan, although the Office of Civil Defense (OCD) is currently in the process of verifying these incidents.

As of this morning, there have been no reports of significant infrastructure damage or individuals displaced as a result of the earthquake.

The National Disaster Risk Reduction Management Operations Center (NDRRMC) has issued warning messages to residents in the affected areas, urging them to remain vigilant and stay tuned for updates.

Additionally, the agency has activated search and rescue teams on high alert to provide immediate assistance to affected residents.

Source: GMANewsOnline, Phivolcs, Philnews