Ecuador is actually number 6 of large quakes in the last 4 days. There were three others South Asia Ring of fire before the 2 in Japan and the 1 in Ecuador. When number 4 (1st for Japan in the string) hit Japan there were articles about scientists concerned of a more catastrophic earthquake.
West Coast US is over due.
The New Madrid Fault is long overdue. Memphis and St. Louis will be riot torn shambles if the fault were to awaken in the near future. The damage from the earthquake will be responsible for only half the carnage.