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
1985 IAAF World Race Walking Cup 1985 IAAF World Race Walking Cup The 1985 IAAF World Race Walking Cup was held on 28 and 29 September 1985 in the streets of St John's, Isle of Man. The event was also known as "IAAF Race Walking World Cup". Complete results were published. The team rankings, named Lugano Trophy, combined the 20 km and 50 km events team results. The participation of 158 athletes (110 men/48 women) from countries is reported. In 1985, there were qualifying rounds for both men's and women's competition with the first two winners proceeding to the final. This year, the Soviet Union, Italy,