@prefix dcat: <http://www.w3.org/ns/dcat#> .
@prefix dct: <http://purl.org/dc/terms/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix vcard: <http://www.w3.org/2006/vcard/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

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    dct:description """
              Nuées ardentes associated with dome collapse on 22 November 1994, at Merapi volcano traveled to the south-southwest as far as 6.5 km, and collectively accumulated roughly 2.5-3 million cubic meters of deposits. The damaged area comprises 9.5 km2 and is covered by two nuée ardente facies, a conventional "Merapi-type", valley-fill block-and-ash flow facies and a pyroclastic surge facies. The proximal deposits reflect the accumulation of dozens of nuées ardentes, with many subsidiary flow units. The distal deposits are more simply organized, as only a few individual events reached to distances >3.5 km. The stratigraphic relationships north of Turgo hill indicate that the surge deposits are a facies of particularly mobile nuées ardentes that also deposited channeled block-and-ash flow facies. They further suggest that the surge facies beyond the channel margins correlate laterally with a finer-grained sublayer locally developed at the base of the block-and-ash flow facies. Eyewitness reports suggest that the emplacement of the block-and-ash flow facies in the distal part of the Boyong river may have followed, by a short time interval, the destruction and deposition of the surge facies at Turgo village. The stratigraphy is in accord with the eyewitness reports. The surge facies was emplaced by a dilute surge current, detached from the same dome-collapse nuée ardente that, as a separate flow unit, subsequently emplaced the distal block-and-ash deposit in the Boyong valley. The detachment occurred at higher elevations, likely at or above the slope break at about 2000 m elevation. This flow separation enabled the surge current to shortcut over the landscape and to emplace its deposit even as the block-and-ash flow continued its tortuous southward movement in the Boyong channel. Dome-collapse nuée ardente activity formed the bulk of the eruption, which was accompanied by virtually no significant vertical summit explosive activity.
            """ ;
    dct:identifier "hal-00091175" ;
    dct:issued "2026-05-08T00:40:54.528860"^^xsd:dateTime ;
    dct:language "en" ;
    dct:modified "2026-05-08T00:40:54.528865"^^xsd:dateTime ;
    dct:publisher <https://rec.harvest-normandie.data4citizen.com/organization/cce9db95-46d9-4dc2-84b6-764215d0a002> ;
    dct:title "Nuées ardentes of 22 November 1994 at Merapi volcano, Java, Indonesia." ;
    dcat:contactPoint [ a vcard:Organization ;
            vcard:fn "CCSD" ] ;
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    dcat:keyword "block-and-ash-flow",
        "infoeu-reposemanticsarticle",
        "journal-articles",
        "lava-dome",
        "merapi-volcano",
        "nuees-ardentes",
        "pyroclastic-range",
        "sdemcgenvironmental-sciencesglobal-changes",
        "sdustuvosciences-of-the-universe-physicsearth-sciencesvolcanology" ;
    dcat:landingPage <ISSN:%200377-0273> .

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    dct:issued "2026-05-08T00:40:54.538573"^^xsd:dateTime ;
    dct:modified "2026-05-08T00:40:54.517757"^^xsd:dateTime ;
    dct:title "Nuées ardentes of 22 November 1994 at Merapi volcano, Java, Indonesia." ;
    dcat:accessURL <https://insu.hal.science/hal-00091175> .

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