The Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported a 4.9-magnitude earthquake two kilometres southwest of Maydolong, Eastern Samar, at approximately 0105 hours (local time) on Monday (10 August).

• The earthquake was reported at a depth of 34 kilometres.
• Instrumental Intensity IV was recorded in Borongan City, Eastern Samar.
• Instrumental Intensity III was recorded in Sulat, Eastern Samar.
• Instrumental Intensity II was recorded in Basey and Villareal, Samar; Can-Avid, Eastern Samar; Palapag and San Roque, Northern Samar; and Dulag, Alangalang, Abuyog and Palo, Leyte.
• Instrumental Intensity I was recorded in Rosario and Mapanas, Northern Samar; Gandara and San Jorge, Samar; and Mahaplag and Hilongos, Leyte.