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Fast-moving current of hot gas and volcanic matter that moves away from a volcano
A pyroclastic flow, more broadly known as a pyroclastic density current, is a fast-moving current of hot gas and volcanic matter (collectively known as
Pyroclastic_flow
Topics referred to by the same term
Look up pyroclastic in Wiktionary, the free dictionary. Pyroclast, Pyroclastic or Pyroclastics may refer to: Pyroclast, or airborne volcanic tephra fragments
Pyroclastic
Type of conical volcano composed of layers of lava and tephra
caused by pyroclastic flows and lahars, deadly hazards that often accompany explosive eruptions of subduction-zone stratovolcanoes. Pyroclastic flows are
Stratovolcano
Clastic rocks composed solely or primarily of volcanic materials
Pyroclastic rocks are clastic rocks composed of rock fragments produced and ejected by explosive volcanic eruptions. The individual rock fragments are
Pyroclastic_rock
Mass of turbulent ash and gas that occurs in some volcanic eruptions
A pyroclastic surge is a fluidised mass of turbulent gas and rock fragments that is ejected during some volcanic eruptions. It is similar to a pyroclastic
Pyroclastic_surge
Volcanic disaster in Nagasaki Prefecture, Japan
(1990-1995). The volcanic activity began in November 1990, and a large-scale pyroclastic flow occurred on June 3, 1991, causing extensive damage, 43 people were
1991_Mount_Unzen_eruption
Volcanic eruption in Italy
and ash reaching the stratosphere, although the event also included pyroclastic flows associated with Peléan eruptions. The event destroyed several Roman
Eruption of Mount Vesuvius in 79 AD
Eruption_of_Mount_Vesuvius_in_79_AD
Landform of ejecta from a volcanic vent piled up in a conical shape
large cone-shaped volcanoes made up of lava flows, explosively erupted pyroclastic rocks, and igneous intrusives that are typically centered around a cylindrical
Volcanic_cone
Large volcanic eruption in the Sunda Strait
affected by pyroclastic flows from the volcano. Verbeek and others believe that the final major Krakatau eruption was a lateral blast, or pyroclastic surge
1883_eruption_of_Krakatoa
Natural dam produced directly or indirectly by volcanism
molten lava, and those created by the primary or secondary deposition of pyroclastic material and debris. This classification generally excludes other, often
Volcanic_dam
Volcanic eruption on Martinique
incandescent lava particles, suspended by searing turbulent gases called a pyroclastic surge, moved at hurricane speed down the southwest flank of the volcano
1902_eruption_of_Mount_Pelée
Major volcanic eruption in Skamania County, Washington
The main eruption was preceded by a series of volcanic explosions, pyroclastic flows, and phreatic blasts beginning in March 1980. It has often been
1980 eruption of Mount St. Helens
1980_eruption_of_Mount_St._Helens
Geologic materials composed of broken fragments of volcanic rock
range of pyroclastic detritus mixed with epiclastic sediments and formed in variable depositional environments. Volcaniclastics include pyroclastic rock and
Volcaniclastics
Plateau produced by volcanic activity
produced by volcanic activity. There are two main types: lava plateaus and pyroclastic plateaus. Lava plateaus are formed by highly fluid basaltic lava during
Volcanic_plateau
Active stratovolcano in the Gulf of Naples, Italy
day caused pyroclastic density currents (PDCs) that devastated Herculaneum and Pompeii. The depositional temperature of these pyroclastic surges reached
Mount_Vesuvius
Volcano on Montserrat in the Caribbean
growth, punctuated by brief episodes of dome collapse which result in pyroclastic flows, ash venting, and explosive eruption. The volcano is monitored
Soufrière_Hills
Deposit of material ejected from a volcanic eruption
A pyroclastic fall deposit is a uniform deposit of material which has been ejected from a volcanic eruption or plume such as an ash fall or tuff. Pyroclastic
Pyroclastic_fall
Shield volcano formed mostly of pyroclastic and highly explosive eruptions
volcanology, a pyroclastic shield or ignimbrite shield is an uncommon type of shield volcano. Unlike most shield volcanoes, pyroclastic shields are formed
Pyroclastic_shield
Ghost town capital of Montserrat
permanently in 1997, after it was substantially buried by a series of pyroclastic flows and lahars. For centuries, it had been the only port of entry to
Plymouth,_Montserrat
Volcanic eruption in the Philippines
atmosphere. Volcanic ash and pumice blanketed the countryside. Huge pyroclastic flows roared down the flanks of Pinatubo, filling once-deep valleys with
1991 eruption of Mount Pinatubo
1991_eruption_of_Mount_Pinatubo
Rock consolidated from volcanic ash
ash is described as tuffaceous (for example, tuffaceous sandstone). A pyroclastic rock containing 25–75% volcanic bombs or volcanic blocks is called tuff
Tuff
Small pyroclast debris thrown in the air by a volcanic eruption
diameter. A pyroclastic particle greater than 64 mm in diameter is known as a volcanic bomb when molten, or a volcanic block when solid. Pyroclastic material
Lapilli
World's most recent supereruption, of Taupō Volcano, New Zealand
generated approximately 430 km3 (100 cu mi) of pyroclastic fall deposits, 320 km3 (77 cu mi) of pyroclastic density current (PDC) deposits (mostly ignimbrite)
Oruanui_eruption
Volcanic mudslide
is a violent type of mudflow or debris flow composed of a slurry of pyroclastic material, rocky debris and water. The material flows down from a volcano
Lahar
Volcano in Guatemala
volcano, lava flows reaching 1–2 km from the summit, and occasional pyroclastic density currents. The largest eruption of Fuego in its current period
Volcán_de_Fuego
Volcanic eruption in Guatemala
produced a large ash plume fed by continuous explosions, pyroclastic flows, and lahars. Pyroclastic flows descended the Las Lajas ravine and overspilled its
2018_Volcán_de_Fuego_eruption
Steep hill of pyroclastic fragments around a volcanic vent
landform of loose pyroclastic fragments, such as volcanic ash, clinkers, or scoria that has been built around a volcanic vent. The pyroclastic fragments are
Cinder_cone
Active stratovolcano on Sumbawa, Indonesia
upper section, the lava is interbedded with scoria, tuffs, pyroclastic flows and pyroclastic falls. Tambora has at least 20 parasitic cones and lava domes
Mount_Tambora
Type of volcanic eruption in which lava is violently expelled
expel as much as 1,000 kg (2,200 lb) per second of rocks, dust, gas and pyroclastic material, averaged over the duration of eruption, that travels at several
Explosive_eruption
Volcanic event
since 2013 are showing the volcano emits pyroclastic flows with frequent collapses of its lava domes. Pyroclastic flows at Mayon Volcano, Philippines, 1984
Volcanic_eruption
Rupture in a planet's crust where material escapes
known to occur in pyroclastic flows, which will incinerate everything flammable in their path, and thick layers of hot pyroclastic flow deposits can be
Volcano
Large flooded coastal volcanic caldera in Japan
believed to have been formed about 30,000 years ago with a succession of pyroclastic surges. It is currently the place of residence to over 900,000 people
Aira_Caldera
Active stratovolcano in Luzon, Philippines
lives. The eruption severely damaged surrounding areas with pyroclastic surges, pyroclastic falls, and later, flooding lahars caused by rainwater re-mobilizing
Mount_Pinatubo
Volcanic eruption in Indonesia
heavy precipitation caused the collapse of the lava dome at the summit. Pyroclastic flows and lahars damaged at least 5,205 homes and several public buildings
2021_Semeru_eruption
Active volcano in California, United States
eruptions. Thus it poses a threat to the nearby area through lava flows, pyroclastic flows, lahars (volcanically induced mudslides, landslides, and debris
Lassen_Peak
Major volcanic eruption in Korea
The eruption had two phases that each included a Plinian fallout and a pyroclastic flow and erupted magmas that were different in composition. An average
946_eruption_of_Mount_Paektu
Rock formed from lava erupted from a volcano
rocks and sediment that form from magma erupted into the air are called "pyroclastics," and these are also technically sedimentary rocks. Volcanic rocks are
Volcanic_rock
Mostly-submerged caldera in the Ōsumi Islands of Kagoshima Prefecture, Japan
at least 140,000 years ago, resulting from the eruption of Koabiyama pyroclastic flows. The formation of caldera has been associated with at least three
Kikai_Caldera
Pyroclastic volcanic eruption due to a viscous siliceous magma
is the presence of a glowing avalanche of hot volcanic ash, called a pyroclastic flow. Formation of lava domes is another characteristic. Short flows
Peléan_eruption
2022 documentary film directed by Werner Herzog
volcanologists Katia and Maurice Krafft, who were killed on 3 June 1991, by a pyroclastic flow on Mount Unzen, in Japan. The film is a celebration of the imagery
The Fire Within: A Requiem for Katia and Maurice Krafft
The_Fire_Within:_A_Requiem_for_Katia_and_Maurice_Krafft
Submerged caldera in the Aegean Sea
eruption also covered the seafloor with pyroclastic flows 70 kilometres (43 mi) from the volcanic vent, with pyroclastic deposits up to 150 metres (490 ft)
Santorini_caldera
American photographer (1931–1980)
of the rapidly approaching ash cloud. Before he was engulfed by the pyroclastic flow, he rewound the film back into its case, put his camera in his backpack
Robert_Landsburg
Active stratovolcano in Central Java and Yogyakarta, Indonesia
from the mountaintop, and several eruptions have caused fatalities. A pyroclastic flow from a large explosion killed 27 people on 22 November 1994, mostly
Mount_Merapi
Roman town destroyed by eruption of Mount Vesuvius
of Ercolano, Campania, Italy. Herculaneum was buried under a massive pyroclastic flow in the eruption of Mount Vesuvius in 79 AD. Like the nearby city
Herculaneum
A list of cinder cones is shown below. Volcan Rumoka Morean Volcano Mt. Rukinear Mt. Mehdk Mt. Myra Trou aux Cerfs Trou Kanaka Mount Suribachi, Iwo Jima
List_of_cinder_cones
American geologist and volcanologist
and fellow volcanologists Katia and Maurice Krafft were killed by a pyroclastic flow. His remains were found four days later and were cremated in accordance
Harry_Glicken
Country in the West Indies in the eastern Caribbean Sea
accompanied by the Anse John (104 kya) and La Pointe (59.8 kya) pyroclastic flows. Later, pyroclastic flows include pumice-rich Belfond and Anse Noir (20 kya)
Saint_Lucia
Country in Southeast Asia and Oceania
including parts of Java and Bali. Large eruptions can also produce pyroclastic flows, lahars, volcanic tsunamis, and, in rare cases, affect climate
Indonesia
Fragmental material produced by a volcanic eruption
to the ground, they remain as tephra unless hot enough to fuse into pyroclastic rock or tuff. When a volcano explodes, it releases a variety of tephra
Tephra
Group of volcanoes in Nagasaki Prefecture, Japan
recently active from 1990 to 1995, and a large eruption in 1991 generated a pyroclastic flow that killed 43 people, including three volcanologists. Its highest
Mount_Unzen
Volcano in Washington, U.S.
the Cougar Stage, started 20,000 years ago and lasted for 2,000 years. Pyroclastic flows of hot pumice and ash along with dome growth occurred during this
Mount_St._Helens
Volcanic eruptions in Indonesia
and volcanic ash. Large eruption columns formed, causing a number of pyroclastic flows down the heavily populated slopes of the volcano. The 2010 eruption
2010 eruptions of Mount Merapi
2010_eruptions_of_Mount_Merapi
Phenomenon where interior material reaches the surface of an astronomical body
the gas, allowing it to spread. Pyroclastic flows can often climb over obstacles, and devastate human life. Pyroclastic flows are a common feature at explosive
Volcanism
Major eruption of Taupō volcano
displayed, including weak phreatomagmatism, Plinian eruptions, and a huge pyroclastic flow. Rhyolitic lava domes were extruded some years or decades later
Hatepe_eruption
Type of volcanic rock
consisting of a typically welded tuff. Ignimbrites form from the deposits of pyroclastic flows, which are a hot suspension of particles and gases flowing rapidly
Ignimbrite
American journalist
with the release of six new Breskin-produced projects. In June 2020, Pyroclastic Records released Accelerate Every Voice from Cory Smythe, an album that
David_Breskin
American businessman and airman (1896–1980)
Truman was killed in the cataclysmic eruption of Mount St. Helens by a pyroclastic flow that overtook his lodge and buried the site under 46 m (150 ft)
Harry_R._Truman
Active volcano in the Philippines
some sources, with a base diameter of 30 km (19 mi), and is dotted with pyroclastic cones and extinct craters extending to the north-northwest. Just below
Kanlaon
Set of volcanoes considered especially dangerous
(people living near the Decade Volcanoes may experience tephra fall, pyroclastic flows, lava flows, lahars, volcanic edifice instability and lava dome
Decade_Volcanoes
Complex volcano Guyot Lava cone Lava dome Mud volcano Pancake dome Pyroclastic cone Pyroclastic shield Shield volcano Stratovolcano Subglacial mound Submarine
List_of_mountain_types
1992 studio album by Birdsongs of the Mesozoic
Pyroclastics is the third studio album by Birdsongs of the Mesozoic, released on 1992 by Cuneiform Records. It was their final album with founding guitarist
Pyroclastics_(album)
Volcanic crater in Canada
devastating nearby areas with heavy pyroclastic fall which deposited tephra on Meager's steep flanks. A pyroclastic fall deposit up to 80 m (260 ft) thick
Bridge_River_Vent
American geologist (born 1937)
abandoned his research. An eruption from the volcano in 1994 produced pyroclastic flows that killed 63 people, including guests at a wedding ceremony.
Barry_Voight
Natural hazard
lateral collapse landslides and ocean-entering pyroclastic flows are the largest and most hazardous. Pyroclastic flows can cause tsunamis as a result of them
Volcanic_tsunami
Supervolcano in New Zealand
generated approximately 430 km3 (100 cu mi) of pyroclastic fall deposits, 320 km3 (77 cu mi) of pyroclastic density current (PDC) deposits (mostly ignimbrite)
Taupō_Volcano
Stratovolcano in Luzon, Philippines
of lava augite-hypersthene-andesite, generally fed from the crater. Pyroclastic flows, characterized as a St. Vincent nuee' ardente, leave behind block
Mayon
French volcanologists
3 June 1991) were French volcanologists and filmmakers who died in a pyroclastic flow on Mount Unzen, Nagasaki, Japan, on 3 June 1991. The Kraffts became
Katia_and_Maurice_Krafft
Volcano in Rio de Janeiro, Brazil
trachyte) and subvolcanic conduit (made up of pyroclastic rocks) of a depth of 3 kilometers, such as pyroclastic dikes. That is, no extinct volcano is present
Nova_Iguaçu_Volcano
Particles ejected from an area
In volcanology, in particular, the term refers to particles including pyroclastic materials (tephra) that came out of a volcanic explosion and magma eruption
Ejecta
American volcanologist (1949–1980)
with his Ph.D., having shown that (1) the emplacement mechanism of the pyroclastic flows had changed over time, as they became less pumaceous, (2) the magmas
David_A._Johnston
American photographer (1952–1980)
seconds later, Mount St. Helens erupted laterally, sending supersonic pyroclastic flows into the forest below. During the eruption, Blackburn was able
Reid_Blackburn
Mountain in British Columbia, Canada
Pyroclastic Peak is the second highest of the five named volcanic peaks immediately south of Mount Cayley in British Columbia, Canada. It is steep and
Pyroclastic_Peak
1783 eruption of Mount Asama in Japan
contained pumice falls and pyroclastic flows. The complex features of this eruption are explained by rapid deposits of coarse pyroclastic ash near the vent and
Tenmei_eruption
Landform near Mammoth Mountain, California, USA
to the point of collapse. The second phase of the eruption released pyroclastic flows that burned and buried thousands of square miles. Ash from this
Long_Valley_Caldera
Small lens-shaped inclusions in volcaniclastic rocks
rocks. They can occur in welded pyroclastic fall deposits and in ignimbrites, which are the deposits of pumiceous pyroclastic density currents. The name fiamme
Fiamme
Volcano in Kumamoto Prefecture, Japan
more than 600 km3 and roughly equals the volume of Mount Fuji; with a pyroclastic flow plateau that covered a significant part of Kyushu. Volcanic ash
Mount_Aso
Stratovolcano in Peru
widely, from about 40 km3 to 150 km3. The stratovolcano is made up of pyroclastic rocks and stubby lava flows, which form a 2.2 km-thick pile. On the northwestern
Misti
List of volcanic eruptions that might have been recorded during the Holocene
; Peña-Monné, J.L. (2020). "Eruptive style and flow dynamics of the pyroclastic density currents related to the Holocene Cerro Blanco eruption (Southern
List of large Holocene volcanic eruptions
List_of_large_Holocene_volcanic_eruptions
Volcano in Batangas, Philippines
with pyroclastic flows and thick ash deposits across southern Luzon. Prehistoric eruptions left significant deposits of pumice and pyroclastic material
Taal_Volcano
Volcanic eruption in Italy
followed by the most violent phase of the eruption, characterized by pyroclastic flow activity. The Volcanic Explosivity Index was VEI-5, and it was a
1631 eruption of Mount Vesuvius
1631_eruption_of_Mount_Vesuvius
Ultra-Plinian eruption in Kyushu, Japan, at around 6,500 BP
eruption, the plume collapsed and an intra-plinian flow, the Funakura pyroclastic flow (K–Fn), occurred. The total volume of K-KyP and K-Fn is estimated
Akahoya_eruption
Stratovolcano in California, United States
Wisconsinian glaciation. Most have since been filled in with andesite lava, pyroclastic flows, and talus from lava domes. Shastina, by comparison, has a fully
Mount_Shasta
Mountain in Iceland
Búrfell (Icelandic pronunciation: [ˈpurˌfɛtl̥]) and the connected lava channel Búrfellsgjá [ˈpurˌfɛlsˌcauː] are famous and protected landmarks of the Reykjanes
Búrfell_(Garðabær)
Smallest island of the Azores, Portugal
nature. The most recent of the deposits correspond to pyroclastic and phreatomagmatic pyroclastic material associated with secondary cones. While the initial
Corvo_Island
Major volcanic event
East Java. The eruption created two formations which consist of mostly pyroclastic rock (minor lava flows). It has an exceptional thickness (at least 1
Semilir_eruption
Active volcano on the island of Honshu, Japan
an active volcano in Honshu, Japan. A large eruption in 887 AD sent pyroclastic flows to the Japan Sea. The volcano takes the form of a lava dome that
Niigata-Yakeyama
Tectonic belt of earthquakes and volcanoes
About 25 scoria cones dot Villarica's flanks. Plinian eruptions and pyroclastic flows have been produced during the Holocene from this dominantly basaltic
Ring_of_Fire
Island in Central Sulawesi, Indonesia
Sulawesi Province of Indonesia. Most of the island was devastated by pyroclastic flows following an eruption of the volcano in 1983. It covers a land
Una-Una
Peperino is an Italian word describing a brown or grey volcanic tuff, containing fragments of basalt and limestone, with disseminated crystals of augite
Peperino
Volcanic activity in Italy
Constantinople) and that of 1631, which killed thousands of people (due to pyroclastic flows and lahars),) and which was taken as a reference by Protezione
Volcanism_of_Italy
Extinct caldera complex in British Columbia and Yukon, Canada
ejected out about 850 km3 (200 mi3) of glowing avalanches of pyroclastic rock called pyroclastic flows. Evacuation of the underlying magma chamber was followed
Bennett_Lake_Volcanic_Complex
500 - Akahoya eruption of Kikai caldera. Produced Koya (Take-shima) pyroclastic flow (K-Ky). 8050 6100 ± 1000 BCE 8050 8050 ± 1000 6 - 12 Wakamiko sub-caldera
Kagoshima_graben
Shield volcano in Oregon, United States
Paulina Lake and East Lake. The volcano and its vicinity include many pyroclastic cones, lava flows and lava domes; Newberry has more than 400 vents, the
Newberry_Volcano
Volcanic eruption in the Territory of Papua and New Guinea
atmosphere. The eruption collapsed a lava dome and produced a lethal pyroclastic flow that killed 2,942 people. In the years after the eruption, new lava
1951 eruption of Mount Lamington
1951_eruption_of_Mount_Lamington
Active volcano in Chile and Argentina
between 0.18 and 0.30. Eruptions from this crater lake have ejected pyroclastic rocks and chilled liquid sulfur fragments. Although the lake emptied
Copahue
Rock composed of angular fragments
pyroclastic type; Broken, fragmental rocks produced by intrusive processes, usually associated with plutons or porphyry stocks. Volcanic pyroclastic rocks
Breccia
Group of islands in the South Atlantic
of trachyte domes and flows, with some pyroclastic deposits. Middle Island is entirely composed of pyroclastic deposits (intruded by dykes), whereas Stoltenhoff
Tristan_da_Cunha
National park in Alaska, United States
Smokes, a 40-square-mile (100 km2), 100-to-700-foot-deep (30 to 213 m) pyroclastic flow. The park includes as many as 18 individual volcanoes, seven of
Katmai National Park and Preserve
Katmai_National_Park_and_Preserve
American jazz pianist
Crispell: How to Turn the Moon (Pyroclastic): Angelica Sanchez and Marilyn Crispell: How to Turn the Moon (Pyroclastic), accessdate: May 23, 2023 Angelica
Angelica_Sanchez_(musician)
Volcanic processes and landforms on the Moon
Volcanism on the Moon is represented by the presence of volcanoes, pyroclastic deposits and vast lava plains on the lunar surface. The volcanoes are typically
Volcanism_on_the_Moon
PYROCLASTIC
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Girl/Female
French
Angel.
Boy/Male
Hindu, Indian
Evening
Boy/Male
English
From the town near a hill.
Girl/Female
Tamil
A decorative design
Boy/Male
Hindu, Indian
Famous
Girl/Female
Hebrew American English French Shakespearean
Favour or grace. Prayer. God has favoured me.
Girl/Female
Arabic, Muslim
Aromatic; Sweet Basil
Male
Hebrew
Variant spelling of Hebrew Iyov, IYYOV means "hated, oppressed."
Boy/Male
Tamil
To live, Lord Vishnu
Female
Spanish
Spanish form of Greek Hagne, YNES means "chaste; holy."
PYROCLASTIC
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