Laporan Pengamatan Seismik G. Iya

Pengamatan seismik di Pos Pengamatan Gunungapi Iya Tewejangga Ende, dilakukan dengan seismograp Elektromagnit. Selama April 1985 sampai dengan Desember 1985 pengoperasian pesawat seismograp dilakukan sebanyak 249 hari dari 275 hari yang ada. Selama 249 hari itu, pengamatan dengan sistem tripartit net dilakukan sebanyak 76 hari. Sedangkan 173 harinya hanya dilakukan dengan 1 komponen vertikal.

The Debris Flows or Ladu's of the Merapi, Central Java In 1930

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…

The Eruption of the Merapi, Central Jawa In 1930

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.

A few Things on the Eruption of the Merapi In 1930

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…

The Paroxysm Phenomena of Merapi Volcano Eruption In 1930

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.

Bromo/ Foto-Foto

Edisi

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ISBN/ISSN

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Deskripsi Fisik

6 hml.; gmbr.

Judul Seri

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No. Panggil

PVG E.29-1

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