More than 1,100 earthquakes shake Portugal’s Azores islands

Small tremors hit the mid-Atlantic group of islands causing officials to trigger emergency plans

About 1,100 small earthquakes have rattled one of Portugal's mid-Atlantic volcanic islands in under 48 hours, prompting authorities to activate an emergency plan as experts assess a seismic crisis".

Rui Marques, head of the Azores archipelago's seismo-volcanic surveillance centre Civisa, said on Monday the earthquakes, with a magnitude ranging from 1.9 to 3.3, had been recorded on the island of Sao Jorge since Saturday afternoon.