spectacular eruptions of mud volcanoes caused by methane in vulcanii noroiosi near berca village buzau county romania

active attractions berca bubble buzau carpathians caspiansea caused clouds county crater dirty earth environment erupting eruption eruptions exploding famous fissure gas geological geology geothermal geothermic hydrocarbon landscape liquid lunar methane moon mountain mud muddy natural nature near noroiosi paclele park phenomenon pressure puddle reservation romania sedimentary soil spectacular splash tourism touristic travel village volcano volcanoes vulcan vulcanii vulcano