20659 Zip Code (Mechanicsville, MD) Detailed Profile. Cities: Mechanicsville, MD (4.97%), Golden Beach, MD (4.43%), Charlotte Hall, MD (2.79%) Counties: St. Mary's County, MD (96.05%), Charles County, MD (3.95%) Estimated zip code population in 2015: 24,656. Zip code population in 2010: 23,498.
the volcano mauna loa in hawaii used to be thought of as the largest volcano in the world but scientists have discovered one that s bigger much much bigger tamu massif is a massive volcano about the size of the british isles or more than three times the size of new brunswick
[/caption] The largest volcano on Earth is Mauna Loa, which is one of the 5 volcanoes that make up the Big Island of Hawaii. When we talk about biggest volcano here, weâre talking about the volcano that has the biggest volume, and thatâs Mauna Loa. Itâs made up of an estimated 75,000 cubic kilometers of material.