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Characteristics of Earthquake-Generated Tsunamis in Indonesia Based on Source Parameter Analysis

Journal of Mathematical and Fundamental Sciences · Vol. 45 No. 2 (2013) · hlm. 189–207

DOI
10.5614/j.math.fund.sci.2013.45.2.8
ISSN
2338-5510, 2337-5760
Terbit
2013-07-01
Penerbit
Directorate for Research and Innovation (DRI) ITB
Bahasa
eng

Abstrak

We have characterized 27 earthquake-generated tsunamis from 1991 to 2012 in Indonesia, based on source parameter analysis. This includes the focal mechanism derived by W phase inversion analysis, the ratio (Θ) between the seismic energy (E) and the seismic moment (Mo), the moment magnitude (Mw), the rupture duration (To) and the distance of the hypocenter to the trench. Most of the earthquakes (24 events) were tsunamigenic earthquakes with various fault types, a shallow focal depth (12 km ≤ D ≤ 77.8 km), a small to large magnitude (6.6 ≤ Mw ≤ 9.0), a low ratio of seismic energy to seismic moment (-5.8 < Θ < -4.9), a short to long rupture duration (27 s ≤ To ≤ 257 s), a small to large tsunami height (0.1 m ≤ H ≤ 50.9 m) and a short to long distance from the hypocenter to the trench (10 km < HT ≤ 230 km). Three tsunami earthquakes were characterized by a thrust fault mechanism, a very shallow depth (D ≤ 20 km), a moderate magnitude (7.5 ≤ Mw ≤ 7.8), a very low ratio of seismic energy to seismic moment (Θ ≤ -5.8), a long rupture duration (99 s ≤ To ≤ 135 s), a large tsunami height (7.4 m ≤ H ≤ 14 m) and a short distance from the hypocenter to the trench (HT ≤ 20 km).

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  • Bandung Institute of Technology
  • National Research and Innovation Agency
  • Meteorological, Climatological, And Geophysical Agency
  • Universitas Pattimura
  • Tokyo Institute of Technology
  • Andalas University
  • National Nuclear Energy Agency of Indonesia
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  • Organisasi berbeda
  • Organisasi sama
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Rekan penulisOrganisasiArtikel bersama
Hiroaki YamanakaTokyo Institute of Technology2
Suaidi AhadiMeteorological, Climatological, And Geophysical Agency2
Muzli MuzliMeteorological, Climatological, And Geophysical Agency2
Sarmoko SarosoIndonesian National Institute of Aeronautics and Space2
K. YumotoInternational Research Center for Space and Planetary Environmental Science, Kyushu University2
Henry Junus WattimanelaUniversitas Pattimura1
Harmanus BatkundeUniversitas Pattimura1
Sunarko SunarkoNational Nuclear Energy Agency of Indonesia1
Hadi SuntokoNational Research and Innovation Agency1
Nurkhalis RahiliNational Research and Innovation Agency1
Euis Etty AlhakimNational Research and Innovation Agency1
Telly KurniawanMeteorological, Climatological, And Geophysical Agency1
Widjo KongkoNational Research and Innovation Agency1
Fauzi FauziAndalas University1
Sapto NugrohoNational Research and Innovation Agency1
Indra GunawanBandung Institute of Technology1
Masyhur IrsyamBandung Institute of Technology1
Sri WidiyantoroBandung Institute of Technology1
Mohamad RidwanBandung Institute of Technology1
Andri Dian NugrahaBandung Institute of Technology1
Ahmad SyahputraBandung Institute of Technology1
Reiji KobayashiKagoshima University1
D. H. NatawidjajaIndonesian Institute of Sciences1
Andi Muhamad PramatadieHasanuddin University1

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Sumber metadata: OAI-PMH (metadata jurnal) https://journals.itb.ac.id/index.php/jmfs/oai, pertama di-harvest 9 Nov 2026, terakhir terlihat 9 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en-US">Characteristics of Earthquake-Generated Tsunamis in Indonesia Based on Source Parameter Analysis</dc:title>
	<dc:creator>Pribadi, Sugeng</dc:creator>
	<dc:creator>Afnimar, A.</dc:creator>
	<dc:creator>Puspito, Nanang T.</dc:creator>
	<dc:creator>Ibrahim, Gunawan</dc:creator>
	<dc:subject xml:lang="en-US">characteristics</dc:subject>
	<dc:subject xml:lang="en-US">tsunamigenic earthquake</dc:subject>
	<dc:subject xml:lang="en-US">tsunami earthquake</dc:subject>
	<dc:subject xml:lang="en-US">W phase</dc:subject>
	<dc:subject xml:lang="en-US">energy</dc:subject>
	<dc:subject xml:lang="en-US">moment</dc:subject>
	<dc:subject xml:lang="en-US">rupture</dc:subject>
	<dc:description xml:lang="en-US">We have characterized 27 earthquake-generated tsunamis from 1991 to 2012 in Indonesia, based on source parameter analysis. This includes the focal mechanism derived by W phase inversion analysis, the ratio (Θ) between the seismic energy (E) and the seismic moment (Mo), the moment magnitude (Mw), the rupture duration (To) and the distance of the hypocenter to the trench. Most of the earthquakes (24 events) were tsunamigenic earthquakes with various fault types, a shallow focal depth (12 km ≤ D ≤ 77.8 km), a small to large magnitude (6.6 ≤ Mw ≤ 9.0), a low ratio of seismic energy to seismic moment (-5.8 &amp;lt; Θ &amp;lt; -4.9), a short to long rupture duration (27 s ≤ To ≤ 257 s), a small to large tsunami height (0.1 m ≤ H ≤ 50.9 m) and a short to long distance from the hypocenter to the trench (10 km &amp;lt; HT ≤ 230 km). Three tsunami earthquakes were characterized by a thrust fault mechanism, a very shallow depth (D ≤ 20 km), a moderate magnitude (7.5 ≤ Mw ≤ 7.8), a very low ratio of seismic energy to seismic moment (Θ ≤ -5.8), a long rupture duration (99 s ≤ To ≤ 135 s), a large tsunami height (7.4 m ≤ H ≤ 14 m) and a short distance from the hypocenter to the trench (HT ≤ 20 km).</dc:description>
	<dc:publisher xml:lang="en-US">Directorate for Research and Innovation (DRI) ITB</dc:publisher>
	<dc:date>2013-07-01</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://journals.itb.ac.id/index.php/jmfs/article/view/803</dc:identifier>
	<dc:identifier>10.5614/j.math.fund.sci.2013.45.2.8</dc:identifier>
	<dc:source xml:lang="en-US">Journal of Mathematical and Fundamental Sciences; Vol. 45 No. 2 (2013); 189-207</dc:source>
	<dc:source>2338-5510</dc:source>
	<dc:source>2337-5760</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://journals.itb.ac.id/index.php/jmfs/article/view/803/484</dc:relation>
</oai_dc:dc>