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…
Atas perintah Sdr. Kepala Urusan Gunung Berapi disetujui oleh Kepala Djawatan Geologi, maka kami dengan Sdr. Rd. Suwignjo, berangkat pada tanggal 4/9-53 dari Bandung -Yogyakarta. Di Yogyakarta mengambil tempo satu hari, guna membereskan tugas - tugas dengan Sdr. Surjo, dikantor Cabang Pertambangan Bintaran Lor 22 Yogyakarta.
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.
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…
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 lamongan is not by destroying catastrophes, such as in Tambora and Krakatau.
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…
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…
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.
Gunung Lamongan (+1671 meter) merupakan suatu gunungapi aktif (tipe A) di Indonesia yang mempunyai ciri khusus yaitu terdapat banyak bekas hasil letusan di daerah kakinya. Gunungapi tersebut terletak di wilayah Kabupaten Probolinggo dan Kabupaten Lumajang, Jawa Timur (Gambar 1).