In a statement, the IPMA said that the earthquake, detected by the mainland's seismic network stations, did not cause personal or material damage, according to the information available so far.

The earthquake “was felt with maximum intensity III on the modified Mercalli scale in the municipalities of Lagoa (Faro), Cascais and Lisbon, added the institute.

According to the Richter scale, earthquakes are classified according to their magnitude as micro (less than 2.0), very small (2.0-2.9), small (3.0-3.9), slight (4.0-4.9), moderate (5.0-5.9 ), strong (6.0-6.9), large (7.0-7.9), important (8.0-8.9), exceptional (9.0-9.9) and extreme (when greater than 10).