The second full Moon of August will be a Supermoon as well as a Blue Moon all wrapped into one. Along with the incredible Supermoon, Saturn will be its closest and brightest for the year.
The second full moon in a single month is classified as a Blue Moon, according to the definition set by Sky and Telescope magazine in 1946. It also qualifies
Source: Hot Hardware – NASA Alert Says Rare Supermoon And Blue Moon Are Coming Soon