A strong earthquake rocked a large swath of the northern Philippines, injuring at least 36 people and forcing the closure of an international airport and the evacuation of patients in a hospital, officials said Wednesday.

The Philippine Institute of Volcanology and Seismology said Tuesday night’s magnitude 6.4 quake, which was set off by the movement of a local fault, was centered 9 kilometers (5 miles) northwest of Lagayan town in Abra province at a depth of 11 kilometers (7 miles).

The U.S. Tsunami Warning System said no warning or advisory was issued.

The quake was felt across a wide area of the main northern Luzon region, including in some parts of metropolitan Manila, more than 400 kilometers (250 miles) south of Abra.

At least 10 people received mostly minor injuries in Abra, mainly from falling debris, and 26 others were injured in Ilocos Norte, the home province of President Ferdinand Marcos Jr. The international airport in Ilocos Norte’s capital city of Laoag was closed Wednesday due to damage from the quake and at least two domestic flights were canceled, officials said.