An earthquake with the magnitude of 3.1 on the Richter scale jolted yesterday the Vrancea region, with the epicentre at a depth of 93 km, the National Institute for Earth Physics (INFP) announced, quoted by Mediafax. The previous day, a new tremor of 4.4 Richter occurred in the Buzau County, with the epicenter at a depth of 137 km. The quake is the strongest that hit this year the seismic zone of Vrancea. In December 2013, 21 tremors were registered in the same region, with magnitudes between 2.5 and 3.9. On 6 October 2013, a quake of magnitude 5.5 hit Vrancea, the most powerful of the last 4 years. It was felt in Bucharest, northern Bulgaria and the Republic of Moldova.