68%
of buildings in the Lisbon metropolitan area predate the 1958 seismic legislation
First-generation seismic regulation took effect in 1958; current code in force since 1983 (RSA), now superseded by Eurocode 8 (NP EN 1998).
Source: Público, February 2023
19%
Of Portuguese homes carry seismic insurance
Earthquake cover is an optional add-on to multi-risk home insurance. Only fire cover is mandatory under Article 1429 of the Civil Code.
Source: APS, 2025
10 yr
Structural warranty under DL 84/2021
Residential urban property sold by a professional to a consumer after 1 January 2022 carries a 10-year warranty on structural elements (5 years on non-structural).
Source: DL 84/2021, de 18 de outubro
M5.3
August 2024 Lisbon-area earthquake
Epicentre 58 km west of Sines; felt across Lisbon, Setúbal, Algarve, Spain, and Morocco. Strongest mainland event since 2009 (M5.6).
Source: IPMA