Magnitude 4.3 earthquake in Philippine waters, 39 km NNE of Maconacon, Isabela — September 30, 2026

Source: PHIVOLCS

A magnitude 4.3 earthquake struck off the north coast of Luzon, about 39 km NNE of Maconacon, Isabela at 4:45 AM Philippine time on September 30, 2026, at a depth of 29 km.

  • Magnitude: M4.3
  • Time: September 30, 2026, 4:45 AM PHT
  • Depth: 29 km
  • Location: Philippine waters, 39 km NNE of Maconacon, Isabela (17.71°N, 122.38°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.

  • M2.2 Philippine waters, 36 km NNE of Maconacon, Isabela, 104 km deep, 3 km away, September 27, 2026 5:55 AM PHT
  • M2.6 Philippine waters, 74 km NE of Maconacon, Isabela, 33 km deep, 40 km away, September 29, 2026 5:11 AM PHT
  • M1.9 Philippine waters, 34 km NNE of Maconacon, Isabela, 25 km deep, 6 km away, September 30, 2026 7:28 PM PHT
  • M1.9 18 km NNE of Maconacon, Isabela, 97 km deep, 21 km away, October 1, 2026 5:03 AM PHT
  • M2.3 Philippine waters, 46 km ESE of Santa Ana, Cagayan, 21 km deep, 75 km away, October 2, 2026 11:49 PM PHT

Towns that likely felt it

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

  • Peñablanca, Cagayan: Intensity IV (43 km from the epicenter)
  • Maconacon, Isabela: Intensity IV (47 km from the epicenter)
  • San Pablo, Isabela: Intensity IV (48 km from the epicenter)
  • Baggao, Cagayan: Intensity IV (49 km from the epicenter)
  • Divilacan, Isabela: Intensity IV (53 km from the epicenter)
  • Gonzaga, Cagayan: Intensity III (66 km from the epicenter)
  • Tuguegarao City, Cagayan: Intensity III (67 km from the epicenter)
  • Iguig, Cagayan: Intensity III (67 km from the epicenter)

Estimated intensity in Manila

Not felt (MMI 1), 377 km from the epicenter.

Official information: PHIVOLCS bulletin for this earthquake

All earthquakes on September 30, 2026 · Live map