The Portuguese Institute of Atmosphere and Sea (IPMA) recorded two earthquakes in the Madeira archipelago on 1 November.
The first tremor occurred at 17:35, south of Ribeira Brava, with a magnitude of 1.6 on the Richter scale and a depth of 30 kilometres, according to IPMA data.
The second earthquake was recorded at 22:48, northeast of Porto Santo, with a magnitude of 2.2 and a depth of 21 kilometres.