Skip to main content

Magnitude 5.9 Earthquake Rocks Maconacon, Isabela - PHIVOLCS Advises Vigilance and Aftershock Preparedness

May 8, 2023 - A magnitude 5.9 earthquake struck the town of Maconacon in Isabela province at 4:48 am on May 8, 2023. The Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported that the earthquake was tectonic in origin, with its epicenter located at a depth of 24 kilometers.

The earthquake was felt in several nearby towns and cities, including Tuguegarao City in Cagayan, which is approximately 150 kilometers away from Maconacon. The shaking caused panic among residents, with many running out of their homes and buildings.

According to PHIVOLCS, there were no immediate reports of damage or casualties. However, they advised the public to remain vigilant and to expect aftershocks.

The Philippine National Police (PNP) and the local government of Maconacon have conducted an assessment of the area and are coordinating with other government agencies to ensure the safety of the residents.

Earthquakes are common in the Philippines, which sits on the Pacific Ring of Fire, a seismically active region. The country experiences around 20 earthquakes of magnitude 5 or higher every year.


Philippine Institute of Volcanology and Seismology. (2023, May 8). Earthquake Information No. 1. Retrieved from

ABS-CBN News. (2023, May 8). Magnitude 5.9 quake hits Maconacon, Isabela. Retrieved from