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Excentric Eruptions of G.Lamongan
Of more importance than the flank eruptions are the excentric eruptions, which are fed from a much more deeper lavaniveau than the first mentioned, whereas the breakthrough mostly takes place in the area of the volcano foot. Also excentric eruptions may entirely independently become active fron the main crater, which at flankeruptions is not likely possible. Also the phenomena, with which excen…
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- 15 hml.; tabel
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- PVG E.22-1
Laporan Evaluasi kegiatan G. Mahawu, G. Lokon, dan G. Soputan, Kab. Minahasa,…
Gunung Mahawu yang memiliki puncak lk. 1311 meter di atas permukaan laut, termasuk kedalam wilayah kabupaten Minahasa, Sulawesi Utara. Posisi geografisnya terletak pada 1° 21' 30" LU dan 124° 51' 30' BT. Catatan sejarah letusan G. Mahawu, menurut Data Dasar Gunung api Indonesia, sebelum tahun. 1789 tercatat tiga kali letusan dari kawah pusat. Tidak ada keterangan lebih lanjut mengenai kegiata…
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- 22hlm; gbr
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- PVG S.95-3
Evaluasi Kegiatan G. Awu dan G. Karangetang, Sulawesi Utara
Gunung Awu dan Gunung Karangetang merupakan gunung api aktif yang keduanya terletak secara terpisah di pulau-pulau kecil pada jalur gunung api Sangir-Talaud, di Sulawesi Utara
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- 20hlm; gbr
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- PVG S.95-4
The G. Lamongan
Although several times from the surroundings of the Lamongan nevs arrived on eruptions of the volcano, after further investigation appeared, that the observed abnormal phonomena are not to be ascribed to volcanic activity.
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- PVG E.23-2
The Outburst Of The G. Kelud in 1919
Lyewitnesses. Among all stories, that of Keuls, Administrater, coffee land Candisewu seems to the most likely. His residence in situating near along the eoge of the lahar Badak on half the elevation of the mountain (see plate n. 1 and 2), he could in time flee to a safe small spot and was therefore in the position to observe closely the whole event.
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- PVG E.19-2
Amount of Ejected Ash and Pumice of The Kelud Eruption in 1919
When we venture a calculation of the amount of the ejected ash and punice, then it goes without saying, that we can only estimate. The statements concerning the amount of the fallen-down ash, are mostly inaccurate and incomplete. Moreover, when we are willing to fix the correct amount of ash, we ought to know the specific gravity and to take into account the thickness of the locally fallen ash …
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- PVG E.19-4
The Rock of The Lamongan Volcano.
In accordance with Lorie and Prof. Behrens we have determined all collected samples as real basalts. The microscopic praeparates only show difference in relative number and size of the separated crystalls between them, and with respect to the groundmass, also in his capacity of the groundmass itself. As conson with basalt, the olivine exclusively appears as porphyric separation and not in the g…
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- 4 hml
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- PVG E.086-1
The Lamongan The History Of The Tarub - Lamongan Mountains
The literature on the Lamongan is less extended than that on the Tengger. The already previously (p.7) referred treatise of van Herwerden and the great work of Junghuhn are up to now the only sources for the knowledge of this remarkable mountain.
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- 21 hml
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- PVG E.086-2
The new crater of the Lamongan
In February of the forner year (1698) a very remarkable outburst on the slope of the volcano Lamongan (in the residence Probolinggo on Java) had taken place, which by soveral persons, among others by the Controler of Elakah, A. Ardesch, and the Assistant-Resident of Lunajang, C. Lok, was observed.
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- K.099-1
The G. Lamongan
Comprehensive peculiarities on the G. Lamongan are mentioned in the Jaarboek van het Hijnwezen in 1.0.1. 1886, Scientific Part. The terrain description as well as the treatise on the activity of this volcano and on the rock can be considered complete till and including the outburst in 1885. Following eruptions in 1896 and 1898 were described in the Tijdschrift Aardr. Gen Irde Serie p. 310, so t…
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- 2 hml
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- PVG E.14-1
Karya Umum 
Filsafat 
Agama 
Ilmu-ilmu Sosial 
Bahasa 
Ilmu-ilmu Murni 
Ilmu-ilmu Terapan 
Kesenian, Hiburan, dan Olahraga 
Kesusastraan 
Geografi dan Sejarah