The Petrinja area has been hit by 374 tremors since 28 December, including 109 over the past two days, the Zagreb Faculty of Science Department of Geophysics said on Saturday.

The first earthquake was registered at 6.28 a.m. on 28 December, measuring 5 on the Richter scale.

The strongest one struck Petrinja, Glina and Sisak at 12.19 p.m. on 29 December, measuring 6.2.

By 31 December, the area was hit by 265 tremors with magnitudes above 1 on the Richter scale.

Sixty-nine tremors were registered on 1 January and another 40 by 2 p.m. today.