Ditapis dengan
Vulkanische Verschijnselen In 1935 Semengesteld Volgens Het "Bulletin 06 Neth…
In de Kawah Tjikuloewoeng had vermoedelijk begin Februari een stoomexplosie plaats, waarbij het bosch in westelijke rich-ting tot op 500 m afstand met modder bedekt werd. Een soort-gelijke explosie werd verder bericht van de Kawah Tjibodas einde Mei of begin Juni. In Kawah Tjika loewoeng werden in Februari temperaturen tot 145°, in Juni tot 138° gevonden, terwijl de hoogste temperatuur in Kaw…
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- 11 hml
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- PVG E.35-5
The Aquatic Transportation of The Semeru - Products The Wet Danger
of much more importance of the surrounding plains of the Senera is tow aquatic transportaton of the ejected products, the was danger. When we travel the area between Lunajang and Pasirian and the S foot of the volcano till the Kali Glidik, then it becomes clear to anybody which role the aquatic transportation of the Semeru products fulfils in the economic life of the here established populat…
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- 12 hml
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- PVG E.22-3
The G. Kelud in 1924
Phenomena which would indicate on an increased activity on the Kelut were not observed during 1924 and in the beginning of 1925. A fow light earthshocks, which were felt in the lowercamp, appeared to be of tectonic origin.
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- 7 hml.; tabel
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- PVG E.24-4
Historycal Notes on Krakataus Eruption Of 1883, And Its Activities In Preveio…
Our earth as a fascinating space ship proves to be ever more so the more we learn about it. We evoloved here, it is our planet and our home, but alas, we only have a very limited direct experience of its past history.
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- 27 hlm
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- PVG A.81-7
Laporan Pengawasan G. Semeru, G. Lamongan Peninjauan Lahargebied Semeru SEB. …
Atas perintah Sdr. Kepala Urusan Gn. Api dan jang telah disetudjui oleh Sdr. Kep. Djawatan Geologi, maka pada tg. 11 Djan. 1954, kami brangkat dari Bandung menudju ke Gn. Semeru, untuk mendjalankan tugas jang lamanja 2 bulan, akan tetapi berhubung jang mengaplos telat datangnja, karena ada sesuatu hal maka tugas kami diperpandjang 1 bulan lagi. Pengawasan Gn. Semeru dari Pos Bs. Sat, Gn. Saw…
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- 17 hml.; gmbr.; peta,; tabel
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- PVG E.54-6
Temperature Observations at Papandayan Volcano, Extension and Intersity Of Th…
As mentioned, during the observation, extensive temperature observations were carried out. From this on the first place appeared, that within the crater groups of solfatara's and hot springs can be distinguished, which temperature strongly varied. The distribution of the temperatures is for a fixed day (September 2, 1924) given on Plate II. We see from this, that the highest temperature occurre…
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- 14 hml
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- PVG E.25-1
Small Eruption on December 6-7, 1920 in the Craterlake of G. Kelud
Except by the already quite quickly after-supply of water in the crater established calving off of the craterwall, the topography of the crater and therefore the correctness of the calculation of the supplied water was much more seriously hindered by a small eruption in the craterlake, which took place in the night of December6 to 7, 1928 (The big eruption lasted May 1920, 1919. Translater).
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- PVG E.20-2
The Lamongan
At the end of February 1920 by the Sectionhead of the Irrigation at Lumajang was reported, that in that month an abnormal drop of the waterlevel of the Ranu's Klakah and Pakis had taken place. If the Ranu Klakah in normal times always flowed through his nator al outlet, at present it is not like this, as the lake level has drop till 1.5 m below the outlet This even happens during the full W …
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- PVG E.21-8
Wedusgembel Of The Merapi Volcano In 1920
On October 12, 1920 the inhabitants of the most high laying kampungs in the vicinity of the Blongkengravine were surprised by hot dustclouds and were killed by the burns. It appeared inmediately, that there was no outburst at all, as the summit slopes of the Merapi were, as far as they were overgrown in August and September, were still green as before (the reports from news papers concerning th…
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- 9 hml
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- PVG E.21-3
Notes on Krakatau Eruption of 1883 , its Earlier Activities is Historic Time …
Krakatau's eruptive activity reawakened as submarinu on December 29th, 1927, and after several brief pf longer cyclus of erosion and denudation the volcano finally rose above sea level definitely between Augst 11th - September 10th, 1930 as Anak Krakatau IV.
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- PVG A.81-19
Karya Umum 
Filsafat 
Agama 
Ilmu-ilmu Sosial 
Bahasa 
Ilmu-ilmu Murni 
Ilmu-ilmu Terapan 
Kesenian, Hiburan, dan Olahraga 
Kesusastraan 
Geografi dan Sejarah