The first of four destructive earthquakes struck southern Italy, destroying an estimated 10,000 homes.

1638 Calabrian earthquakes

Series of four earthquakes in Italy

A series of mainshocks struck Calabria on March 27–28 and June 9, 1638. The first three earthquakes had moment magnitudes estimated to be Mw 6.6–7.1. On June 9, another mainshock estimated at Mw 6.7 struck the same region, causing further damage and casualties. The four…