A magnitude 5.4 earthquake struck La Union and nearby parts of Region I at 10:36 AM on 24 May 2025.
According to the Philippine Institute of Volcanology and Seismology (PHIVOLCS), the quake had a depth of 10 kilometers and was located at 16.88°N, 120.08°E — approximately 31 kilometers northwest of Luna, La Union.
The tremor was felt at varying intensities in several areas:
Intensity IV: Candon City and Vigan City, Ilocos Sur
Intensity III: Sinait, Ilocos Sur
Intensity II: Bangued, Abra; Tagudin, Ilocos Sur; San Fernando and Aringay, La Union; Bani, Infanta, and Bolinao, Pangasinan
Intensity I: Baguio City
PHIVOLCS did not report any expected aftershocks or damage.
Meanwhile, the Baguio City government reminded the public to stay calm but remain alert in case of future tremors.La Union shakes at 5.4 magnitude