Selama beberapa bulan, dalam majalah ini (1936,*) IV.h.l) saya dari kawah G. Slamet, telah membahas perubahan-perubahan letak G.Lamongan dan G.Semeru dan menunjukkan bahaya-bahaya yang akan mengancam daerah-daerah sekitarnya. Di dekat semua gunung-gunung ini telah tertimbun ratusan meter hasil-hasil erupsi, suatu pe munculan, yang segera bisa diamati didekat kebanyakan gunung- gunung berapi. Di…
Dalam Agustus ini kita memperingati kenyataan bahwa gunungapi Krakatau seratus tahun yang lalu telah mengalami letusan begitu dasyat hingga ia diketahui dan menarik perhatian seluruh dunia.
To this geology of volcanoes also belong as still in Keli Mutu in central and the sorikmerapi.
De Talamau is een 2912. 3 m hooge samengestelde vulkaan in het noordelijke van Sumatra's Westkust, die volgens Kemmerling (1921p.7) een terrein van 350 km2 met zijn vulkanisch produkten bedekt.
De vorm van het eiland is slechts weinig veranderd.
Naar aanleiding van het schrijven van den kontroleur van takengeun, den heer w.
The wedusgenbels originated because big amounts of gas-rich, but toughliquid magna were ejected, came down along the volcano slope and landed in the very deep ravines, which are situated in the mountain foot on ca. 1400 na.s. Due to their great mobility they have still covered considerable distances in the terrain gullion. It is striking through which sharp turns (portrait 7, 8 and 10), particu…
According daily reports from a mantrie-observer at Haron, during the first half of November 1930 there was many white vapour forning on the top of the Herapi, but nearly everyday he reported, that no stone avalanches were heard.
The breach in the f flank did not originate at once, but in several phases. At the time the though liquid lava looked for a way to the surface, she found the former entrances janned. The canal, through which the lava of the W plug came up and which during aruption erupti phase of 1920 21 still served as way out, was closed now. During the rest period of a few years, the lava han been actually s…
By the paroxismal phenomena on December 18 and 19, 1930 in the W wall of the mountain summit a breach originated with a length of 1350 π. This reached an elevation of 2150 a downwards and near the summit it was about 200 m in width. A big part of the old domes on the summit, including the lavastream of 1922 has disappeared.