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MANILA, Philippines — A magnitude 4.9 earthquake struck off Hernani, Eastern Samar, on Tuesday afternoon, the Philippine Institute of Volcanology and Seismology (Phivolcs) said.

The temblor occurred at 4:02 p.m. and was located 43 kilometers (km) northeast of Hernani.

Phivolcs said it has a depth of focus of 16 km.

The earthquake was felt at the following intensities / instrumental intensities:

• Intensity IV – Hernani, Eastern Samar
• Intensity III – Maydolong, Gen. MacArthur, Quinapondan, Eastern Samar
• Intensity II – City of Borongan, Can-avid, Giporlos, Balangiga, Lawaan, Sulat, Arteche, Eastern Samar; Dulag, Leyte
• Intensity I – Babatngon, San Miguel and Jaro, Leyte
• Instrumental Intensity IV – Hernani, Eastern Samar
• Instrumental Intensity III – Quinapondan, Eastern Samar
• Instrumental Intensity II – City of Borongan, Can-avid, Eastern Samar; Dulag, Leyte

Instrumental intensity, according to Phivolcs, is measured by an intensity meter or scale, while intensity is the strength of an earthquake as felt and reported by the population.