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The Debrismasses of Merapi Volcano In 1931-1932
The ladumasses were deeper cut in the course of the mouths and it appears always clearer, that they were built of a heterogen, lightbrown colored sand mass, where in-between irregularly scattered, the stones occurred as individuals or as bouldertrails.
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- 4 hlm
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- PVG E.33-2
Directed Shot-Out Wedusgembel at Merapi Volcano, Central Jawa
Almost all authors are the opinion, that the well - known wedusgembel, which caused death and destruction on the western slope of the Merapi, originated from the hot lava avalanches (glowing avalanches), which rolled down along the slides, whereas 'shout-out' wedusgmbel have not taken place.
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- PVG E.31-2
Laporan Lapangan Penjajakan Pengukuran Kubah Lava Baru G.Semeru, Dalam Rangka…
Pengukuran kubah lava ini bertujuan untuk mengetahui volum pen-dekatan. Penulis memberi istilah volum pendekatan disini, karena berdasarkan atas sifat pengukuran pengukurannya, antara lain s a. pengukuran puncak kubah lava baru dengan cara aanpeilingen" jarak jauh dari dua titik totap (titik pengamatan) G. Sasur dan Sumberbulus (PANDI. K., 1977). b. disesuaikan dengan seket dari potret ba…
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- 9 hml.; gmbr.; tabel
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- PVG E.78-17
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
The G. Lamongan in 1924
The crater of the Lamongan vas visited for the last time in July 1925. Although since that tine no reports on abnornal phenomena were received, the crater was again reconnoitred at the beginning of February 1924, as we must be always on our alert, that the rostful situation of these previously so active volcano suddenly might change.
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- 7 hml.; tabel
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- PVG E.24-3
The Kelud, Volcanic Earthquakes At Lamongan Volcano In 1924
Volcanic quakes occurred since September 20,1924. E and Ne of Ranu Klakah treasures were formed. The tromometers Klakah repetend in October 135, in September 81, in December 105 shocks.
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- 18 hml.; tabel
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- PVG E.23-1
The Lamongan in 1922
During 1922 the G. Lamongan was often visited by the volcano guideship survey namely in April, June and August.
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- 6 hml.; tabel
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- PVG E.22-2
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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- PVG E.22-3
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 Eruptions In Kawah Baru, G.Papandayan In 1924, The Activity In Kawah Nang…
The eruptions, which in the course of 1924 took place in Kavah Baru, were all of relative short duration. In many cases the activity was restricted to the geyserlike spouting-up of mud from one of the crater openings, which in the course of 1923 were born. Sometines also new craterlats were formed, or except mud also stones were ejected. Naturally the gaspressure at lastnaned eruptions was much…
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- 15 hml
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- PVG E.25-2
Karya Umum 
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Geografi dan Sejarah