Struktur Bumi di Bawah Pantai Barat Kanada Antara Hiposenter Gempa C022801L dan Stasiun Observasi Cola  

Oleh:

Santosa, Bagus Jaya

Jenis: Article from Journal - ilmiah nasional - tidak terakreditasi DIKTI
Dalam koleksi: SIGMA: Jurnal Sains dan teknologi vol. 9 no. 2 (Jul. 2006), page 187-194.
Topik: gempa; seismogram data analysis; earth structure; speed structure; upper mantle; core mantle boudnary; waveform

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: SS25.5 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

The seismogram data of earthquake C022801L have been analyzed by seismogram comparison at station COLA (Canada) to investigate the earth structure beneath the Canadian west coast. The comparison is conducted in time domain and in three componenets simultaneously. The synthetic seismogram is calculated by GEMINI. The input is initially the earth model IASPEI91, PREMAN and the CMT solution to quake to calculate the synthetic. The seismogram comparison shows a real deviation of the waveform of some phase waves. The research is conducted to correct the discrepancies found at P.S. Love, Rayleigh, and ScS waves at the station COLA. Seismogram fitting obtained at waveform of various wave phases. The good fitting is obtained on oscillation amount especially of Love wave. The earth structure obtained indicates anistropy beneath the canadian west coaset in the upper mantle and also layers down to the CMB depth.

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