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
1985–86 FIS Cross-Country World Cup to this idea was made by the Swedish skier Thomas Wassberg. 1985–86 FIS Cross-Country World Cup The 1985–86 FIS Cross-Country World Cup was the 5th official World Cup season in cross-country skiing for men and ladies. The World Cup began in Labrador City, Canada, on 7 December 1985 and finished in Oslo, Norway, on 15 March 1986. Gunde Svan of Sweden won the overall men's cup, and Marjo Matikainen of Finland won the women's. Before the season began, after several years of disagreements between athletes and federations concerning what styles of skiing should be allowed, it was decided that cross-country