Magnitude 4.5 earthquake in Philippine waters, 52 km NNE of Calayan, Cagayan — September 23, 2026

A magnitude 4.5 earthquake struck off the north coast of Luzon, about 52 km NNE of Calayan, Cagayan at 12:33 PM Philippine time on September 23, 2026, at a depth of 4 km.

• Magnitude: M4.5
• Time: September 23, 2026, 12:33 PM PHT
• Depth: 4 km
• Location: Philippine waters, 52 km NNE of Calayan, Cagayan (19.72°N, 121.58°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.

• M4.2 20 km N of Dalupiri Island, Cagayan, 26 km deep, 61 km away, September 22, 2026 8:08 AM PHT
• M3.3 1 km N of Calayan, Cagayan, 13 km deep, 51 km away, September 23, 2026 12:25 PM PHT
• M3.5 Philippine waters, 41 km NNW of Calayan, Cagayan, 12 km deep, 33 km away, September 23, 2026 2:35 PM PHT
• M3.0 29 km NNE of Calayan, Cagayan, 10 km deep, 24 km away, September 24, 2026 1:40 AM PHT
• M3.5 5 km NE of Dalupiri Island, Cagayan, 21 km deep, 74 km away, September 25, 2026 9:05 PM PHT

Towns that likely felt it

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

• Calayan, Cagayan: Intensity IV (46 km from the epicenter)
• Sabtang, Batanes: Intensity IV (72 km from the epicenter)
• Ivana, Batanes: Intensity IV (81 km from the epicenter)

Estimated intensity in Manila

Not felt (MMI 1), 573 km from the epicenter.