Magnitude 4.2 earthquake in Philippine waters, 24 km NE of Bayabas, Surigao del Sur — September 20, 2026

At 11:37 p.m. on Sunday, Sept. 20, a magnitude 4.2 earthquake struck off the northeast coast of Mindanao, about 24 kilometers northeast of Bayabas, Surigao del Sur, according to the Philippine Institute of Volcanology and Seismology (Phivolcs).

The quake struck at a depth of 23 kilometers.

• Magnitude: M4.2
• Time: September 20, 2026, 11:37 PM PHT
• Depth: 23 km
• Location: Philippine waters, 24 km NE of Bayabas, Surigao del Sur (9.14°N, 126.43°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.

• M3.5 21 km NE of Bayabas, Surigao del Sur, 21 km deep, 4 km away, September 19, 2026 11:24 PM PHT
• M3.5 Philippine waters, 53 km E of Cortes, Surigao del Sur, 7 km deep, 34 km away, September 20, 2026 4:21 AM PHT
• M3.5 11 km E of Socorro, Surigao del Norte, 22 km deep, 68 km away, September 22, 2026 7:36 AM PHT
• M4.2 18 km SE of Dapa, Surigao del Norte, 27 km deep, 63 km away, September 23, 2026 4:34 AM PHT
• M3.8 Philippine waters, 23 km NE of Bayabas, Surigao del Sur, 22 km deep, 2 km away, September 23, 2026 2:19 PM PHT

Towns that likely felt it

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

• Bayabas, Surigao del Sur: Intensity IV (27 km from the epicenter)
• Cortes, Surigao del Sur: Intensity IV (31 km from the epicenter)
• Cagwait, Surigao del Sur: Intensity IV (36 km from the epicenter)
• Tago, Surigao del Sur: Intensity IV (40 km from the epicenter)
• Tandag City, Surigao del Sur: Intensity IV (42 km from the epicenter)
• Lanuza, Surigao del Sur: Intensity IV (44 km from the epicenter)
• Marihatag, Surigao del Sur: Intensity IV (50 km from the epicenter)
• Carmen, Surigao del Sur: Intensity IV (54 km from the epicenter)

Estimated intensity in Manila

Not felt (MMI 1), 848 km from the epicenter.