pyroclastic flow

English - Turkish

Definition of pyroclastic flow in English Turkish dictionary

(Bilim, İlim) piroklastik akıntılar;volkanik patlama sonucunda sıcak kaya ve kül parçalarını içeren akıntılar

English - English

Definition of pyroclastic flow in English English dictionary

A flow of volcanic ash, dust, rocks and debris that cascades down the slope of a volcano during an eruption. Pyroclastic flows are very dangerous, reaching speeds greater than 60 miles per hour and temperatures in excess of 800 degrees Fahrenheit

A hot, fast-moving and high-density mixture of ash, pumice, rock fragments, and gas formed during explosive eruptions

A hot, fast moving and high-density (thick like a dust storm) mixture of ash, pumice, rock fragments and gas formed during explosive eruptions

A rapid, hot, downward stream of rock fragments, air, gases, and ejecta from an erupting volcano They may be up to 800 degrees C and flow over 150 km/hr

A rapid, extremely hot, downward stream of pyroclastics, air, gases, and ash ejected from an erupting volcano A pyroclastic flow may be as hot as 800ºC or more and may move at speeds exceeding 150 kilometers per hour

Lateral flowage of a turbulent mixture of hot gases and unsorted pyroclastic material (volcanic fragments, crystals, ash, pumice, and glass shards) that can move at high speed (50 to 100 miles an hour ) The term also can refer to the deposit so formed

A violent mixture of superheated volcanic ash and gas that can escape from a volcanic vent and, because it is heavier than air, travel down the flank of a volcano incinerating everything in its path

An extremely hot mixture of gas, ash and pumice fragments, that travels down the flanks of a volcano or along the surface of the ground at speeds of 50 to 100 miles per hour The temperature within a pyroclastic flow may be greater than 500° C, sufficient to burn and carbonize wood Once deposited, the ash, pumice, and rock fragments may deform (flatten) and weld together because of the intense heat and the weight of the overlying material

Related Terms

pyroclastic flows

plural form of pyroclastic flow

Hyphenation

py·ro·clas·tic flow

Etymology

() From pyroclastic + flow.