lava, gusher, gushing, plume, fumaroles, old faithful, fireball, volcano, waterfall, magma, eruption, fumarole, spurting, exothermic reaction, leak, spume, seepage, derrick, lassen peak, crater, tephra, volcanic crater, stratovolcano, mudflow, reservoir, seafloor, billowing, vapor, upflow, pyroclastic, manhole cover, gurgling, pipe, whitecap, puddle, volcanic eruption, seawater, springwater, caldera, mud, torrents, superheating, manhole, guck, fountain, cascades, spill, globs, artesian, sinkhole, jetter, pump, waterspout, drip, spile, flow, hissing, moulins, belching, thunderclouds, hot springs, blowholes, foamy, cumulonimbus cloud, drumfire, thunderhead, earthenware jar, squirt, cumulus cloud, showerhead, droplets, meteor shower, basalt, globule, hydrogen sulphide, backdraft, splashback, faucet, cavern, wellhead, nyiragongo, alpenglow, airglow, galeras, arcing, belcher, ruptures, burp, overpressure, undersea, flames, denali fault, water heater, carpenter bee, water, soakers, contraption, methane, flume, stalactite, cenote, syrtis major, geysers, bonfire, glacier, waterfalls, comet, mountain, ruby, statue, fresco, obelisk, elephant, emporium, lighthouse, river, skyscraper, tombstone, windmill, karstic, volcanic, orogenic, pluvial, subglacial, tidal, hydrothermal, karst, lake, magmatic, periglacial, phreatic, abyssal, eruptive, geosynclinal, glacial, igneous

eruptive, old faithful, yellowstone national park

brim over, natural spring, outflow, outpouring, overflow, overrun, run over, spring, well over