Algarve beach hides a 70-million-year-old volcanic past1 report from 1 outlet in 1 language · first reported 2026-10-02 15:30 UTC · updated 2026-10-02 15:30 UTC · JSONEnvironmentAlgarveReportsAlgarve beach hides a 70-million-year-old volcanic pasttheportugalnews.com · en · 2026-10-02 15:30 UTC