Migne (1864) Fragmenta Historica Tusculana in Patrologiae Graeca, Volume 85, pp. 1806-1824 - open access at archive.org - bookmarked to section where
description of 551 CE Beirut Quake begins
Migne (1864) Fragmenta Historica Tusculana in Patrologiae Graeca, Volume 85, pp. 1806-1824 - open access at google books
Fragmenta Historica Tusculana, in Fragmenta Res Gestes, PG 85, 1864.
Fragmenta historica Tusculana, ed. A.Mai, 1808-26
Van Hoof and Van Nuffelen (2020) The Fragmentary Latin Histories of Late Antiquity (Ad 300-620) Edition, Translation and Commentary,
Cambridge University Press - open access - pirate access ? - does not appear to contain a translation of Fragmenta Historica Tusculana - only contains a brief reference to
Fragmenta Historica Tusculana on page 251 n. 5 in a discussion about the sources of the Paschal Chronicle