Mitchel (1992:119–120) cites Cleveland (1954:84–85) in identifying possible archaeoseismic evidence at Khirbet Ader for an earthquake in the second half of the 4th century CE, possibly corresponding to the southern Cyril Quake of 363 CE.

Mitchel (1992:119–120) notes “debris covering a floor, beneath which there were found ‘second or early third century’ sherds.” This appears to refer to the sounding made in a room that Cleveland (1954:84–85) describes as “just inside the northwest corner of the city.” According to Cleveland (1954:85), “a mass of stone had fallen from the south into the room,” and “among these stones—all above the pavement of the room—was a Hebrew inscription, probably from the Byzantine Period.” Below the inscribed stone, human bones, including a skull, were found. Cleveland (1954:85) further reports that “about two meters from these first bones were found more bones, which were discovered to be from a cist burial.”