ZAGREB, 11 January, 2021 - An aftershock measuring 3.1 on the Richter scale rocked the Petrinja area at 9.35 a.m. on Monday, the Croatian Seismological Survey said.
A magnitude 3.9 aftershock jolted the area at half past midnight as well.
The Petrinja area was hit by a devastating magnitude 6.2 tremor on 29 December which killed seven and caused enormous damage.
