Većina se desila niotkuda, jačine između 5.7 i 7.1 Rihterove skale, i svi su počeli u isto vreme, 11:23, po Griničnom vemenu.
Most of them occurred nowhere near major fault lines, registering between a 5.7 and a 7.1 on the Richter Scale, and they all started at exactly the same time, 11:23 a. m., Greenwich Mean Time.