M5.5 earthquake - 92 km SW of Basco, Philippines

What happened

A magnitude 5.5 earthquake struck 92 km SW of Basco, Philippines on 18 Dec 2025, 07:27 UTC at a depth of 18 km.

Earthquakes of this size are classed as Moderate. Can damage poorly built structures close to the epicentre. This was a shallow earthquake, which tends to be felt more strongly at the surface.

The nearest town in our records is Sanchez-Mira, about 152 km away in Cagayan Valley, Philippines.