A magnitude 4.1 earthquake struck the Municipality of San Isidro in the Province of Northern Samar.

Earthquake Information No. 2 issued by the Philippine Institute of Volcanology and Seismology (PHIVOLCS) confirmed that an earthquake jolted San Isidro at 4:38 a.m. on April 12, 2025. 

The earthquake struck 12.21°N, 124.31°E - 019 km S 06° W of San Isidro, at a depth of 13 kilometers, and is tectonic in origin. 

Reported Intensities:

Intensity IV - San Isidro, Northern Samar 

Intensity III - Victoria, Allen, Rosario, San Jose, and Lavezares, Northern Samar; City of Calbayog and Santa Margarita, Samar

Intensity II - Bobon, Catarman, and Lope de Vega, Northern Samar; Gandara, Tarangnan, San Jorge, and Pagsanghan, Samar

Instrumental Intensity:

Intensity I - Gandara, Samar