(3.87) In the following winter the plague, which had never entirely disappeared, although abating for a time, again attacked the Athenians. It continued on this second occasion not less than a year, having previously lasted for two years. To the power of Athens certainly nothing was more ruinous; not less than four thousand four hundred Athenian hoplites who were on the roll died, and also three hundred horsemen; how many of the common people could never be ascertained. This too was the time when the frequent earthquakes occurred at Athens, in Euboea, and in Boeotia, especially at Orchomenos.76