Korzhenkov and Mazor (2014) note that the so-called "Late Roman Earthquake" may represent more than one seismic event. They place this earthquake after the construction of the northern church, dated to about 460–470 CE, and suggest that it led to repairs and structural reinforcements across the site.

These repairs included the construction of revetment walls around damaged structures. They describe several seismic effects, including tilted and shifted walls later supported by such revetments, columns propped up by walls, and deformations in arches and roofs. In some cases, rooms were deliberately filled with earth in order to prevent the collapse of damaged roofs. They also note features of later repair and rebuilding, as well as the secondary use of architectural elements, which they interpret as evidence for post-earthquake restoration activity.