Magnitude 4.0 earthquake near City of Ilagan, Isabela — October 13, 2026

A magnitude 4.0 earthquake struck about 12 kilometers northeast of City of Ilagan, Isabela, in Luzon at 8:00 p.m. on Tuesday, Oct. 13, the Philippine Institute of Volcanology and Seismology (Phivolcs) reported.

The quake struck at a depth of 19 kilometers.

• Magnitude: M4.0
• Time: October 13, 2026, 8:00 PM PHT
• Depth: 19 km
• Location: 12 km NE of City of Ilagan, Isabela (17.23°N, 121.96°E)

Nearby earthquakes

The strongest other Philippine earthquakes within 100 km and 3 days before or after this one (up to five), including possible foreshocks and aftershocks.

• M2.5 16 km NW of Dinapigue, Isabela, 19 km deep, 71 km away, October 11, 2026 11:59 AM PHT
• M2.5 24 km NW of Maconacon, Isabela, 61 km deep, 33 km away, October 15, 2026 7:05 AM PHT

Towns that likely felt it

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

• Tumauini, Isabela: Intensity IV (8 km from the epicenter)
• Cabagan, Isabela: Intensity IV (20 km from the epicenter)
• Ilagan, Isabela: Intensity IV (21 km from the epicenter)
• Divilacan, Isabela: Intensity IV (23 km from the epicenter)
• Delfin Albano, Isabela: Intensity IV (23 km from the epicenter)
• Maconacon, Isabela: Intensity IV (24 km from the epicenter)
• Gamu, Isabela: Intensity IV (24 km from the epicenter)
• Quirino, Isabela: Intensity IV (24 km from the epicenter)

Estimated intensity in Manila

Not felt (MMI 1), 311 km from the epicenter.