Rasa ingin tahu dan dorongan untuk memenuhi kebutuhan akan sumber daya alam telah membuat manusa berusaha untuk memahami bumi, tempat ia tinggal dan berinteraksi social. Bagimanakah bentuk bumi ini ? apa isi perut bumi ini? Mengapa gunung Meletus? Mengapa terjadi gempa bumi? Sejumlah kecil pertanyaan itu muncul di benak manusia dari masa ke masa. Melalui buku ini menjelaskan secara runut cara …
Seismic Ray Theory presents the most comprehensive treatment of the seismic ray method available. This method plays an important role in seismology, seismic exploration, and the interpretation of seismic measurements. The book presents a consistent treatment of the seismic ray method, based on the asymptotic high-frequency solution of the elastodynamic equation.
Hingga akhir abad 20, waktu pembentkan kaldera Rinjani masih belum diketahui. Penelitian sebelumnya oleh Kusumadinata (1969) menyinggung tentang adanya letusan besar dan kuar (paroxysmal eruption) yang menghasilkan kadera Segara Anak, tetapi kapan saat terbentuknya kadera masih belum diketahui.
The past 25 years have been vast expansion in the field of igneous petrology to accommodate a wide range of new information from both the Earth and other terrestrial planets. This has made the subject far more interesting, but has also resulted in a marked increase in both the amount and the degree of specialization of the available literature.
Komik untuk Program Emergency Response Fund : Response and Preparedness to Mt. Sinabung Affected Population.
Eastern view of Unzen Volcano in the Shimabara Peninsula, Kyushu, SW Japan. New lava domes with the thick apron of volcanic debris have formed near the summit of Mt. Fugen (1.359 m) since 20 May 1991. Rockfalls from the fronts of domes descended as pyroclastic flows along the Mizunashi River (straight toward readers) and Oshigadani Valley (curved in the clockwise direction).
Pulau Krakatau dinamakan orang juga Pulau Rakata. Penduduk Banten dan suku Sunda, terutama suku Sunda yang berdiam di wilayah Jawa Barat bagian barat, lebih banyak mempergunakan nama Rakata, namun suku-suku bangsa Indonesia lainnya lebih banyak mempergunakan nama Krakatau. Dalam “Encyclopedie” van Nederlandsch Indie” juga dikatakan, bahwa Pulau Krakatau disebut orang juga Pulau Rakata.
The change of seasons is most clearly distinguishable in the appearances of mountains. Councurrently with snow-melting, the yellowish green colored sprouts of plants attract our attention and tell us the advent of spring on mountains. And when the leaves change their colour from fresh green to dark green, we are informed that the rainy seasons is over and the summer is setting in.
Geodynamics, the study of global movements and of the forces driving them, is a rekatively fresh offshoot from the vigorously branching tree of the earth sciences. Before the advent of Alfred Wegener on this scene in the early nineteen-hundreds, the idea of permanency in the distribution of continents and oceans was almost sacrosanct.
Das Antlitz der Erde, or “The Face of the Earth”, was the title of the first great magnum opus on the gross surface features of the earth by Eduard Suess late last century. A recent British television documentary with the same purpose bore the same title.