“a great shaking in the land of Israel.” This refers to a great earthquake, and there are several in the Book of Revelation. However, given the extent of the destruction that is described here in Ezekiel 38:19-20, the most likely earthquake is the one described in Revelation 16:18. But it could also be that “a great shaking” is a collective description of the effects of all the earthquakes that happen during the Great Tribulation (cp. Rev. 6:12; 8:5; 11:13, 19; 16:18).