Magnitude 4.8 earthquake in Philippine waters, 108 km NE of Mapanas, Northern Samar — October 21, 2026

A magnitude 4.8 earthquake struck off the northeast coast of Visayas, about 108 km NE of Mapanas, Northern Samar at 4:37 PM Philippine time on October 21, 2026, at a depth of 57 km.

• Magnitude: M4.8
• Time: October 21, 2026, 4:37 PM PHT
• Depth: 57 km
• Location: Philippine waters, 108 km NE of Mapanas, Northern Samar (13.22°N, 125.91°E)

Towns that likely felt it

Estimated intensity in the nearest towns, from the magnitude, depth and distance. These are estimates, not reports.

• Mapanas, Northern Samar: Intensity III (115 km from the epicenter)

Estimated intensity in Manila

Not felt (MMI 1), 553 km from the epicenter.