At approximately 12:20 PM CET (11:20 UTC) on 29 December 2020, an earthquake of magnitude 6.4 Mw (6.2 ML) hit central Croatia, with an epicenter located roughly 3 km (1.9 mi) west-southwest of Petrinja. The maximum felt intensity was estimated at VIII (Heavily damaging) to IX (Destructive) on the European macroseismic scale. Before this event there were three foreshocks, the strongest of which had a magnitude of 5.2 Mw on the day before. The earthquake was followed by numerous aftershocks, the strongest of which had a magnitude of 4.9 Mw. The adversely affected areas were mostly in the Sisak-Moslavina County and other nearby Croatian counties, as well as some of the nearby areas of Bosnia and Slovenia.