1983 Luzon earthquake

The shock had a surface wave magnitude of 6.5 and a maximum Mercalli intensity of VIII (Severe), killing 16 people and injuring 47.

Churches were damaged in Bacarra, Vintar, and Sarrat; the Sarrat church was the site of the wedding of Ferdinand Marcos' daughter Irene, and it toppled, destroying its altar and the orchestra loft from the wedding.

[4] A 300-year-old statue of Saint Monica fell apart, and its head landed on the ground intact.

[6] Sand volcanoes and cracks as long as 24 m (79 ft) formed,[5] and as it ruptured, soil liquefaction and landslides occurred.

[3] It was assigned a Rossi–Forel scale rating of VII (Very strong tremor), indicating the potential to be damaging.