Magnitude 4.4 earthquake near Masinloc, Zambales — September 4, 2026
Source: PHIVOLCS
The Philippine Institute of Volcanology and Seismology (Phivolcs) recorded a magnitude 4.4 earthquake about 4 kilometers west of Masinloc, Zambales, in Luzon at 4:48 p.m. on Friday, Sept. 4.
The quake struck at a depth of 38 kilometers.
- Magnitude: M4.4
- Time: September 4, 2026, 4:48 PM PHT
- Depth: 38 km
- Location: 4 km W of Masinloc, Zambales (15.54°N, 119.92°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.
- M2.0 17 km E of Cabangan, Zambales, 33 km deep, 52 km away, September 1, 2026 6:55 PM PHT
- M2.2 7 km ESE of Candelaria, Zambales, 24 km deep, 10 km away, September 1, 2026 8:22 PM PHT
- M1.8 9 km E of Castillejos, Zambales, 18 km deep, 78 km away, September 5, 2026 6:49 AM PHT
- M2.0 15 km ENE of Cabangan, Zambales, 33 km deep, 48 km away, September 5, 2026 7:39 PM PHT
- M2.2 15 km WSW of Castillejos, Zambales, 52 km deep, 78 km away, September 5, 2026 9:51 PM PHT
Towns that likely felt it
Estimated intensity in the nearest towns, from the magnitude, depth and distance. These are estimates, not reports.
- Masinloc, Zambales: Intensity IV (15 km from the epicenter)
- Palauig, Zambales: Intensity IV (16 km from the epicenter)
- Candelaria, Zambales: Intensity IV (21 km from the epicenter)
- Iba, Zambales: Intensity IV (23 km from the epicenter)
- Santa Cruz, Zambales: Intensity IV (28 km from the epicenter)
- Infanta, Pangasinan: Intensity IV (37 km from the epicenter)
- Mayantoc, Tarlac: Intensity IV (42 km from the epicenter)
- Mangatarem, Pangasinan: Intensity IV (45 km from the epicenter)
Estimated intensity in Manila
Weak (MMI 3), 155 km from the epicenter.
Official information: PHIVOLCS bulletin for this earthquake