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Typology of Indonesian Stratovolcanoes: Insights from Geomorphological and Geological aspects

Indonesian Journal of Geography · Vol. 55 No. 2 (2023) · hlm. 277–290

DOI
10.22146/ijg.74692
ISSN
2354-9114, 0024-9521
Terbit
2023-08-18
Penerbit
Faculty of Geography, Universitas Gadjah Mada
Bahasa
eng
Lisensi
creativecommons.org/licenses/by-nc/4.0

Abstrak

This study aims to provide the first general typology of Indonesian stratovolcano (number of analyses=154), including various types of rock compositions and diverse volcanic hazards. Several parameters were evaluated, including average radius (r), average slope (S), surface roughness (RMS), rock compositions, mineralogy, and deposit characteristics. Four types were identified as follows: (1) small-least dissected cones, (2) broad-dissected cones, (3) extremely broad-dissected cones with caldera, and (4) residual-highly dissected cones. Type I is typically small (r=2.1 km), steep (S=19.8ᵒ), rough (RMS=88.8), less evolved (predominantly basic to intermediate), having abundant mafic (olivine, clinopyroxene) and minor hydrous (amphibole, biotite) minerals, with rare pumice and lava domes (mostly scoria and lava flows). Type II has moderate values of r, s, and RMS (8.8 km, 15.2ᵒ, and 47.7, respectively) with predominantly intermediate rocks, minor olivine with abundant hydrous minerals, and abundant pumice and lava domes. Type III is typically large (r=18.1 km), gentle (S=9.2ᵒ), smooth (RMS=40.1), producing abundant felsic rocks and felsic minerals (quartz and sanidine), and characterized by the occurrence of thick ignimbrite deposits. Type IV has relatively similar size to type II (r=8.2 km), but the slope is gentler with coarser surface textures (S=10.7ᵒ and RMS=56.8), includes more portion of ultrabasic rocks and mafic minerals, and has no feature of lava domes with common exposure of intrusions (e.g., dyke). We suggest that the evolution from type I to type III corresponds to maturation stage, whereas the formation of type IV represents erosional stage.

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  • Universitas Gadjah Mada
  • Australian National University
  • Universitas Syiah Kuala
  • Politeknik Pertanian Negeri Kupang
  • National Research and Innovation Agency
  • Tanjungpura University
  • Laboratoire de Géographie Physique
  • Organisasi lain
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  • Organisasi berbeda
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Rekan penulisOrganisasiArtikel bersama
Tjahyo Nugroho AdjiUniversitas Gadjah Mada5
Ahmad CahyadiUniversitas Gadjah Mada4
Muhammad NaufalUniversitas Gadjah Mada3
Bambang Hendro SunarmintoUniversitas Gadjah Mada2
Sunarno SunarnoUniversitas Gadjah Mada2
Thomas Oka PratamaUniversitas Gadjah Mada2
Agus Budhie WijatnaUniversitas Gadjah Mada2
Indra Agus RiyantoUniversitas Gadjah Mada2
M WidyastutiUniversitas Gadjah Mada2
Husna DiahUniversitas Syiah Kuala2
Alfred Umbu Kuala NgajiPoliteknik Pertanian Negeri Kupang1
Muhammad BaiquniUniversitas Gadjah Mada1
Hatma SuryatmojoUniversitas Gadjah Mada1
Setiadi SetiadiUniversitas Gadjah Mada1
Eka SulistiyowatiUniversitas Gadjah Mada1
Arif AnshoriNational Research and Innovation Agency1
Margaretha WidyastutiUniversitas Gadjah Mada1
Dzakwan Taufiq Nur MuhammadUniversitas Gadjah Mada1
Naufal Fattah TastianUniversitas Gadjah Mada1
J. Susetyo Edy YAfiliasi tidak diketahui1
Imam FauziAfiliasi tidak diketahui1
Susetyo DidikAfiliasi tidak diketahui1
Wahyu Broto RAfiliasi tidak diketahui1
Rossie Wiedya NusantaraTanjungpura University1
Sudarmadji SudarmadjiUniversitas Gadjah Mada1
Tjut S. DjohanUniversitas Gadjah Mada1
Eko HanudinUniversitas Gadjah Mada1
Miranti ArianiUniversitas Gadjah Mada1
Rini RachmawatiUniversitas Gadjah Mada1
Rizki Adriadi GhiffariUniversitas Gadjah Mada1
Estuning Tyas Wulan MeiUniversitas Gadjah Mada1
Hilary ReinhartUniversitas Gadjah Mada1
Amandita Ainur RohmahUniversitas Gadjah Mada1
Thas SaralahAustralian National University1
Hanindha PradipaAustralian National University1
Idea Wening NuraniLaboratoire de Géographie Physique1
Angelo Andi PetreUniversity of Bucharest1
Dimas SeptianUniversitas Gadjah Mada1

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Sumber metadata: OAI-PMH (metadata jurnal) http://jurnal.ugm.ac.id/ijg/oai, pertama di-harvest 8 Nov 2026, terakhir terlihat 8 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en-US">Typology of Indonesian Stratovolcanoes: Insights from Geomorphological and Geological aspects</dc:title>
	<dc:creator>Suhendro, Indranova</dc:creator>
	<dc:creator>Haryono, Eko</dc:creator>
	<dc:subject xml:lang="en-US">Earth and Planetary Science</dc:subject>
	<dc:subject xml:lang="en-US">stratovolcano; geomorphology; slope; rock compositions; mineralogy</dc:subject>
	<dc:subject xml:lang="en-US">Volcanology</dc:subject>
	<dc:description xml:lang="en-US">This study aims to provide the first general typology of Indonesian stratovolcano (number of analyses=154), including various types of rock compositions and diverse volcanic hazards. Several parameters were evaluated, including average radius (r), average slope (S), surface roughness (RMS), rock compositions, mineralogy, and deposit characteristics. Four types were identified as follows: (1) small-least dissected cones, (2) broad-dissected cones, (3) extremely broad-dissected cones with caldera, and (4) residual-highly dissected cones. Type I is typically small (r=2.1 km), steep (S=19.8ᵒ), rough (RMS=88.8), less evolved (predominantly basic to intermediate), having abundant mafic (olivine, clinopyroxene) and minor hydrous (amphibole, biotite) minerals, with rare pumice and lava domes (mostly scoria and lava flows). Type II has moderate values of r, s, and RMS (8.8 km, 15.2ᵒ, and 47.7, respectively) with predominantly intermediate rocks, minor olivine with abundant hydrous minerals, and abundant pumice and lava domes. Type III is typically large (r=18.1 km), gentle (S=9.2ᵒ), smooth (RMS=40.1), producing abundant felsic rocks and felsic minerals (quartz and sanidine), and characterized by the occurrence of thick ignimbrite deposits. Type IV has relatively similar size to type II (r=8.2 km), but the slope is gentler with coarser surface textures (S=10.7ᵒ and RMS=56.8), includes more portion of ultrabasic rocks and mafic minerals, and has no feature of lava domes with common exposure of intrusions (e.g., dyke). We suggest that the evolution from type I to type III corresponds to maturation stage, whereas the formation of type IV represents erosional stage.</dc:description>
	<dc:publisher xml:lang="en-US">Faculty of Geography, Universitas Gadjah Mada</dc:publisher>
	<dc:contributor xml:lang="en-US"></dc:contributor>
	<dc:date>2023-08-18</dc:date>
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	<dc:type xml:lang="en-US">Peer-reviewed Article</dc:type>
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	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://journal.ugm.ac.id/ijg/article/view/74692</dc:identifier>
	<dc:identifier>10.22146/ijg.74692</dc:identifier>
	<dc:source xml:lang="en-US">Indonesian Journal of Geography; Vol 55, No 2 (2023): Indonesian Journal of Geography; 277-290</dc:source>
	<dc:source>2354-9114</dc:source>
	<dc:source>0024-9521</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://journal.ugm.ac.id/ijg/article/view/74692/pdf</dc:relation>
	<dc:relation>https://journal.ugm.ac.id/ijg/article/downloadSuppFile/74692/27363</dc:relation>
	<dc:coverage xml:lang="en-US"></dc:coverage>
	<dc:coverage xml:lang="en-US"></dc:coverage>
	<dc:coverage xml:lang="en-US"></dc:coverage>
	<dc:rights xml:lang="en-US">Copyright (c) 2023 Indranova Suhendro, Eko Haryono</dc:rights>
	<dc:rights xml:lang="en-US">http://creativecommons.org/licenses/by-nc/4.0</dc:rights>
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