This gigantic sinkhole/crater was reported in Western Ukraine, a few days after the one in Siberia. (Sorry, if it was already reported?)
Published on Apr 26, 2015
Imagini cu prabusirea din Solotvino (Ucraina) aparuta in noaptea de 16 aprilie 2015 ca urmare a proceselor carsto-saline
A gigantic sinkhole in western Ukraine has left villagers terrified after it reportedly swallowed seven houses. The sinkhole, measuring 100m wide and 60m deep, suddenly opened up in the village of Solotvino in the Zakarpatska Oblast region of western Ukraine. Villagers say that it formed in just one day.
https://www.youtube.com/watch?v=O7VVy9Xkiuo