Some may have come from Arabia in the 18th and 19th century - some came from Morocco and northern Africa, and some lived there since biblical times. Your comment is quite ill-educated - "they are called Arabs because they came from Arabia" That was the way the West dealt with something they did not understand back then. And were do the present Israelis come from? Some from Northern Africa, most from Europe.
4.2-scale earthquake felt in Dead Sea, Jerusalem area (Haaretz)