Speciaal Verslag Koealoe And Toba 1920

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No. Panggil

PSG A 20-13 FRI s

Terjemahan Makalah : Kompleks penutup magmatik besar di bawah kaldera Toba.

Pemahaman tentang pembentukan reservoar magmatik berukuran besar adalah masalah utama dalam mengevaluasi kemungkinan letusan besar gunung api di masa depan. Kami memperkirakan ukuran dan tingkat maturiti salah satu reservoar vulkanik terbesar berdasarkan radial anisotrop seismik. Kami menggunakan ambien nois seismik tomografi di bawah kaldera Toba (Sumatera Utara) untuk mengamati anisotrop seis…

Geomagnetic Survey at Two Volcanic Regions in Indonesia Krakatau Caldera and …

Various discussions have been made by many authors as respects the eruption mechanism of Krakatau caldera (e.g. Williams, 1941; Yokoyama, 1981; Self and Rampino, 1982; Yokoyama, 1982). Accumulation of geophysical data may provide important information to clarify the problem. Yokoyama and Hadikusumo (1969) have already established the gravity stations Krakatau Islands. The low residual anomalies…

Formation of Volcanic Depressions - Krakatau and Toba

The gravity survey on Krakatau Islands was first carried out by means of a land gravimeter in 1968 ( Yokoyama and Hadikusumo, 1969) and was supplemented by the present authors in 1982. The gravity points on the islands has reached 40 in number.

Penyelidikan Hidrogeologi di Daerah Sulit Air / Desa Tertinggal Penentuan Tit…

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iv, 18 hlm.:ill;gbr;tab;lamp

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No. Panggil

PAG L2025-119

Penyelidikan Geologi Lingkungan Kawasan Lindung Geologi Danau Toba Kabupaten …

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ix, 115hal., gam., peta

Judul Seri

LT Penelitian (LTPN)

No. Panggil

PAG L2013 - 079

Stratigraphy And Anisotropy Of Magnetic Susceptibility Of The Toba Ignimbrite…

This study was part of a cooperative project with the Indonesian Institute of Sciences, Bandung, Java, the Michigan Technological University group (W.I Rose, Jr., principle investigator) and the Hawaii Institute of Geophysics, University of Hawaii group (G.P.L. Walker, principle investigator).

Volcanology of The Youngest Toba Tuff, Sumatera

The Toba depression in northern Sumatera is a complex structure, formed by repeated episodes of caldera subsidence and resurgence, strongly influenced by regional structure. The Toba depression, and the associated Toba Tuff, a widespread ignimbrite sheet which covers approximately 20.000km, are the result of three major eruptive events.

Laporan Penelitian Air Tanah Daerah Sekitarnya Danau Toba Provinsi Sumatera U…

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v, 67hal., 43lam., gam., peta

Judul Seri

LT Penelitian (LTPN)

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PAG L2013 - 082

Penyelidikan Geologi Lingkungan Regional Kabupaten Toba Samosir (TOBASA) Prov…

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vii, 61hal.,41lam.,gam.,peta

Judul Seri

LT Penelitian (LTPN)

No. Panggil

PAG L2012 - 430