UGLYA-IV EARTHQUAKE on June 6, 2017 with KR=9.8, ML=2.7, І0=5 (Ukraine, Transcarpathia)

Abstract

On June 6, 2017 at 17h27m in the mountains north of Uglya of the Tyachiv district of the Transcarpathian region, at a depth of h=5 km, a significant earthquake with energy class KR=9.8 and local magnitude ML=2.7 occurred. The earthquake was processed by records of 16 seismic stations of the Carpathian network. Immediately after the earthquake, information on its impact was collected through a telephone survey in 23 settlements located at distances of 5–30 km from the epicenter. As a result of processing the survey data from 23 settlements, an isoseismal map of the earthquake was constructed. The epicenter of the earthquake was located in an unpopulated mountainous area, where a calculated intensity was I0=5 by the MSK-64 scale. In the epicentral zone, it was felt with an intensity of 4–5 in 3 settlements: Prygid, Velikaya Ugolka and Fontynasy. According to a comparison with the map of the fault structures of the Solotvinskaya depression of the Transcarpathian trough and adjacent territories, it is clear that this earthquake is located in the zone between the Chernogolovsky and the Penin faults, where a lot of fault structures are noted, including an unclear morphology.