Steam explosion major cause of human fatalities in volcanic eruptions. The 1986 Chernobyl nuclear disaster in Soviet Union was feared to cause major steam explosion (and resulting Europe-wide fallout) upon melting the lava-like nuclear fuel through the reactor's basement towards contact with residue fire-fighting water and groundwater. The threat was averted by frantic tunneling underneath the reactor in order to pump out water and reinforce underlying soil with concrete. When a pressurized container such as the waterside of a steam boiler ruptures, it is always followed by some degree of steam explosion. A common operating temperature and pressure for a marine boiler
Religion in Ukraine is an Armenian eparchy (diocese) in Ukraine, centered in Armenian Cathedral of Lviv, and also there are many Armenian churches and other monuments on the territory of Ukraine. Byzantine Rite Catholicism is the religion of 9.4% of the population of Ukraine as of 2016. This church is largely concentrated in western Ukraine, where it gathers a significant proportion of the population (39.7%). Latin Rite Catholicism, instead, is the religion of 0.8% of the population of Ukraine, mostly in western (1.3%) and central (1.2%) regions. Catholicism is largely absent in eastern Ukraine and non-existent in Donbass. As of 2016, there are