Dengan Surat Perintah Perjalanan Dinas No.2330/P/84, tertanggal Bandung, 6 Nopember 1984 penulis ditugaskan ke daerah G. Agung, Bali. Maksud penugasan tersebut untuk membuat/memasang pilar/tugu ketinggian Pos Pengamatan G.Agung di Budakeling/Bali dan mengadakan pengukuran di daerah Budakeling, untuk mengetahui lokasi dan ketinggian tersebut dengan tepat.
'He is above evrything treacherous; sneaky as a reptile, gloomy as a 'fairy tale of mourning; apparently he is restful even years and 'years, and therefore again alluring to trust, until he on the most unexpected moment bursts open, his terrible muzzle dilates, and the 'most horrible imaginable prehistoric monster vomits many horrors." In this way Vissering portrays us the psychology of the Kel…
Dengan surat perintah No. 401/P/84 tanggal 4 Mei 1984 penulis ditugaskan untuk melakukan pekerjaan antara lain ialah :Mencari data kegiatan G. Merapi secara visual yang terjadi dewasa ini, data tersebut sebagai bahan perbandingan dengan bulan sebelumnya. Melakukan pemeriksaan laharan di S.Putih, S. Bebeng, S.Krasak dan tujuannya adalah untuk menduga volum endapan lahar dan penentuan daerah yang…
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 …
The outbursts are always accompannied by gaseruptions, which escape with thrumbling noise and the foraing of flash of lightnings. From the stories of Junghuhn (see p.95-96) appears, that during earlier outbursts the thunder claps were observed till great distances from the crater (Kalimantan) (Fron Banjarmasin this time also detonations were reported from the Kelut outburst). Also during there …
Zu den tätigsten Vulkanen Ostjavas zährt der LAMONGAN in der Residentschaft PASOEROEAN. Auf der gerechnet Eisenbahnfahrt von PROBOLINGGO nach DJEMBER wird er auf der West-und Südseite lange Zeit umfahren. Man erkennt schon vom Zuge aus, dass er aus 2 Teilen besteht, einen älteren, mit Busch bestandenen und durch die Ero-sion stark sernagten Teil, dem 1670m hohen TAROEB, und einem jungen sch…
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…
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.
The lamongan is not by destroying catastrophes, such as in Tambora and Krakatau.
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…