On 22 March , an intense earthquake ( 5.4 on the Richter scale ) hit the city of Zagreb , at 6:24 AM and was followed by multiple aftershocks with the largest being a event at 7:01 AM .
Zagreb witnessed an earthquake of 5.4 magnitude on the Richter scale at 6.24 AM , followed by multiple aftershocks with the largest at 7.01 AM during the 2020 coronavirus pandemic in Croatia .