earthquake 3.5 on the Richter scale was registered in 21 hours and 22 minutes hub 2 km below the ground surface near Provadia. This was reported by the National Institute of Geophysics, Geodesy and Geography BAS.
The magnitude of the European Seismological Center 3.7 on the Richter scale. The epicenter 6 km from the wires, a depth of 2 km, "salt works" (salt mine).
Recall that in the same area of earthquakes They do not represent anything new and occurs periodically. Recently, this was a magnitude 3.2 on the Richter scale and was recorded 11 mine in 2018.
Over the past 10 years registered 8 earthquakes with maganitud more than 2.5 on the Richter scale. April 15, 2015 was registered an earthquake of 2.4 on the Richter scale. 13 August 2013 earthquake was a 4 on the Richter scale. June 28, 2012 an earthquake of 3.1 on the Richter scale. October 7, 2017 the strongest earthquake was recorded in the last 10 years – 4.4 on the Richter scale, Kota cause a number of property damage in the municipality. 15 My 2009 earthquake was 2.1 on the Richter scale. November 18, 2008 magnitutud was 3.8 on the Richter scale, reminiscent of the site «Plovdiv24.»
According to local residents of earthquakes associated with salt extraction from salt mines, located near the town farewell.