Sibyl Quake

Dates from various authors for The Great Plague in Rome and the Earthquake in Cyprus
A summary of dates from the sources which provided dates for the Plague in Rome and the Earthquake in Cyprus is provided below. Seutonius probably provides the most reliable date for the Great Plague in Rome and the Syballine Oracles may provide the most reliable date for the Earthquakes in Cyprus. Seutonius dates the Great Plague to the reign of Titus (24 June 79 – 13 September 81 CE) and the Syballine Oracles appears to date the Earthquake in Cyprus to the reign of Titus (24 June 79 – 13 September 81 CE). The tables are arranged in order of composition.
Plague in Rome
Date Range Source Date of Composition Comments

24 June 79 – 13 September 81 CE (during the reign of Titus) The Life of the Caesars by Suetonius 121 CE Probably the most reliable source for the date of the plague due to his studious nature, the date of composition, and his connections to Roman aristocracy.

1 July 77 - 30 June 78 CE Chronicon by Eusebius Early 4th century CE Original Greek text is lost. All we have are translations from the original text (e.g., Jerome's Latin translation)

24 June 79 – 13 September 81 CE (during the reign of Titus) Epitome de Caesaribus attributed to Aurelius Victor end of the 4th century CE may have been written by an anonymous Pagan author.

1 July 77 and 30 June 78 CE History Against the Pagans by Orosius ~416-417 CE

25 Mar. 71 to 24 Mar. 72 CE - The Chronicle of Georgius Syncellos 808-810 CE Chronologically inconsistent. Dates are unreliable

1 Oct. 76 to 30 June 77 CE Chronography by Elias of Nisibis Early 11th c. Listed his sources as Chronicon by Eusebius and Chronologue of Andronicus although he provided a different date range for the plague than the Latin translation of Chronicon by Eusebius provided by Jerome.

Earthquake in Cyprus
Date Range Source Date of Composition Comments

24 June 79 – 13 September 81 CE (during the reign of Titus) Sibylline Oracles ?

1 July 77 - 30 June 78 CE Chronicon by Eusebius Early 4th century CE Original Greek text is lost. All we have are translations from the original text (e.g., Jerome's Latin translation)

1 July 77 and 30 June 78 CE History Against the Pagans by Orosius ~416-417 CE

25 Mar. 71 to 24 Mar. 72 CE The Chronicle of Georgius Syncellos 808-810 CE Chronologically inconsistent. Dates are unreliable

1 Oct. 73 - 30 Sept. 76 CE Chronography by Elias of Nisibis Early 11th c. Listed his source as Chronicon by Eusebius although he provided a different date range for the earthquake than the Latin translation of Chronicon by Eusebius provided by Jerome.

Date Range	Source	Date of Composition	Comments
24 June 79 – 13 September 81 CE (during the reign of Titus)	The Life of the Caesars by Suetonius	121 CE	Probably the most reliable source for the date of the plague due to his studious nature, the date of composition, and his connections to Roman aristocracy.
1 July 77 - 30 June 78 CE	Chronicon by Eusebius	Early 4th century CE	Original Greek text is lost. All we have are translations from the original text (e.g., Jerome's Latin translation)
24 June 79 – 13 September 81 CE (during the reign of Titus)	Epitome de Caesaribus attributed to Aurelius Victor	end of the 4th century CE	may have been written by an anonymous Pagan author.
1 July 77 and 30 June 78 CE	History Against the Pagans by Orosius	~416-417 CE
25 Mar. 71 to 24 Mar. 72 CE -	The Chronicle of Georgius Syncellos	808-810 CE	Chronologically inconsistent. Dates are unreliable
1 Oct. 76 to 30 June 77 CE	Chronography by Elias of Nisibis	Early 11th c.	Listed his sources as Chronicon by Eusebius and Chronologue of Andronicus although he provided a different date range for the plague than the Latin translation of Chronicon by Eusebius provided by Jerome.

Date Range	Source	Date of Composition	Comments
24 June 79 – 13 September 81 CE (during the reign of Titus)	Sibylline Oracles	?
1 July 77 - 30 June 78 CE	Chronicon by Eusebius	Early 4th century CE	Original Greek text is lost. All we have are translations from the original text (e.g., Jerome's Latin translation)
1 July 77 and 30 June 78 CE	History Against the Pagans by Orosius	~416-417 CE
25 Mar. 71 to 24 Mar. 72 CE	The Chronicle of Georgius Syncellos	808-810 CE	Chronologically inconsistent. Dates are unreliable
1 Oct. 73 - 30 Sept. 76 CE	Chronography by Elias of Nisibis	Early 11th c.	Listed his source as Chronicon by Eusebius although he provided a different date range for the earthquake than the Latin translation of Chronicon by Eusebius provided by Jerome.