Nine earthquakes were registered Wednesday morning in the Black Sea, offshore the Bulgarian seashore, near the Romanian waters. The biggest quake had a 3.7 degrees magnitude on Richter scale, the National Institute for Earth Physics (INFP) informs.
The first quake occurred at 5.42h and had a magnitude of 3.1 degrees on Richter scale, followed at 5.51h by a 3.7 degrees one. The third one had 3.2 degrees. The next three quakes took place at 5.59h, 6.17h and 6,41h with magnitudes of 2.9, 3.1 and 3.2 degrees. The seventh earthquake occurred at 7.46h and had 3.3 degrees on Richter scale. The last two were registered at 9.59h and 10.12h, with magnitudes between 2.9 and 3.5 degrees.
All the quakes took place at a depth of 5 km.