262 Southwest Anatolia earthquake

262 Southwest Anatolia earthquake
Reconstructed two-storey classical stone façade with four porticos and three entrances between them.
The contents of the Library of Celsus at Ephesus were destroyed by a fire in 262 C.E. caused either by an earthquake or by an invasion. The façade was toppled in another earthquake centuries later and reerected in 1970–78.
262 Southwest Anatolia earthquake is located in Turkey
262 Southwest Anatolia earthquake
Local date21 December 262 (262-12-21)
Epicenter36°30′N 27°48′E / 36.5°N 27.8°E / 36.5; 27.8
Areas affectedTurkey
Max. intensityMMI IX (Violent)
TsunamiEstimated at Intensity 4 on the Sieberg-Ambraseys scale

The 262 Southwest Anatolia earthquake devastated the Roman city of Ephesus along with cities along the west and south coasts of Anatolia in year 262, or possibly 261, on 21 December.[1][2][3] The epicenter was likely located in the southern Aegean Sea.[1] Reports note that many cities were flooded by the sea, presumably due to a tsunami.[1]

Nicholas Ambraseys, who performed the most comprehensive assessment of ancient earthquakes in the Mediterranean, traces the original source of most literary references to this quake to an account in the Augustan History purportedly written by Trebellius Pollio.[4] This source is problematic, as the veracity of much of its supposed biographical details is doubtful. However, there is some reason to give credence to the history's accounts of natural disasters. Trebellius's account also reports the southwest Anatolia earthquake in conjunction with one that hit Cyrene, Libya the same year. The two events appears to have been unrelated, but it has been difficult for historians to disentangle the exact effects of each based on the classical sources.


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