Overview
- The Instituto Geográfico Nacional reported a magnitude 4.0 event at 00:10 with the epicenter in Iruña de Oña (Álava).
- IGN’s municipality-by-municipality intensity map shows peak felt levels of IV–V in Hueto Arriba and Ullibarri Arrazua within Vitoria.
- Residents described strong jolts that moved buildings and furniture, and some briefly left their homes as a precaution.
- Shaking was reported across parts of Burgos, Navarra, Gipuzkoa, Bizkaia and La Rioja in addition to Vitoria-Gasteiz.
- Some neighbors received mobile alerts warning to take precautions due to potential aftershocks, and no further episodes have been reported so far.