[WORLDKINGS] The Constant World Records Seeking Journey (P.81) Mauna Loa: World's largest subaerial volcano
(WorldKings.org) Mauna Loa is the largest subaerial and second largest overall volcano in the world (behind Tamu Massif). Covering a land area of 5,271 km2 (2,035 sq mi) and spaning a maximum width of 120 km, World Records Union (WorldKings) officially declared Mauna Loa is the world's largest subaerial volcano.
WORLDKINGS - Worldkings News - America Records Institute (AMRI) – Nevado Ojos del Salado: World's highest active volcano
(Worldkings.org) Despite the generally dry conditions, there is a permanent crater lake about 100 m (330 ft) in diameter at an elevation of 6,390 m (20,960 ft) on the eastern side of the mountain.
WORLDKINGS - Worldkings News - Australia Records Institute (AURI) – West Mata volcano: World's deepest undersea volcano
(Worldkings.org) The shard compositions indicated that the erupted material was boninite (an olivine-bronzite andesite with little or no feldspar) which had never been observed from an active volcano.
WORLDKINGS - Worldkings News - Asia – Azerbaijan: The country with the most mud volcanoes in the world
(Worldkings.org) Azerbaijan has the most mud volcanoes in the world.
WORLDKINGS - Worldkings News - Australia – Inferno Crater Lake: The largest geyser-like feature in the world
(Worldkings.org) Inferno Crater Lake is the largest geyser-like feature in the world.