Built in a basilica plan , the naves include barrel vaults with an apse ; two semicircular apses are vaulted with quarter spheres . These are joined together with four arches on each side , and are decorated with Lombard-style pilasters on top . Some columns have been replaced . The bell tower is from 1900 replacing a Romanesque once , which disappeared during the Catalan Revolt . The cloister was destroyed in the earthquake of 1427 , the sacristy being the only area preserved . Dating from the 11th century , there are two decorated capitals , one with geometric shapes and the other with four faces
earthquake of 1427
1428 Catalonia earthquake
Santa Maria, Amer