1985 Mexico City earthquake Ground shaking lasted more than five minutes in places along the coast and parts of Mexico City shook for three minutes, with an average shaking time of 3–4 minutes. It is estimated the movement along the fault was about three meters. The main tremor was foreshadowed by a quake of magnitude 5.2 on 28 May 1985, and was followed by two significant aftershocks: one on 20 September 1985 of magnitude 7.5 lasting thirteen seconds and the third occurring seven months later on 30 April 1986 with magnitude 7.0 lasting ten seconds. However, at least twelve other minor aftershocks were associated
893 Ardabil earthquake "mistaken" earthquake, derived from misreadings of the original Armenian writings about the 893 earthquake in Dvin, Armenia; the Arabic name for Dvin is "Dabil". At about midnight on 28 December 893, the night after a lunar eclipse, Dvin, then the capital of Armenia, was devastated by an earthquake. Most buildings were destroyed, and at least 30,000 people died. This event was recorded by contemporary Armenian and Arabic chroniclers, including Ibn al-Jawzi. However, the Arabic name for the city is "Dabil", and this led the 14th-century writer Ibn Kathir to place the earthquake in Ardabil in Azerbaijan. Ibn Kathir was then