吳逸民2006-07-252018-06-282006-07-252018-06-282005http://ntur.lib.ntu.edu.tw//handle/246246/11873中央氣象局地震監測網（CWBSN ）為維持在高放大倍率之記錄狀態下，對於規 模大且近震源的地動訊號，則會有超出記錄範圍而呈現滿格之現象。這種情形會使得 系統無法提供近距離的S 波到時及規模讀值。因此，對於規模大的地震之觀測有其限 制。然而，當規模大的地震發生之後，會觸發強地動觀測網（TSMIP ）之強震儀留下 紀錄，所記錄的地震訊號，就可被用來加強地震之觀測。因此，本計畫的主要工作就 是利用CWBSN 及TSMIP 之資料，求取三維速度構造，進而改進例行地震定位。The Central Weather Bureau Seismic Network (CWBSN) is maintained under the high-gain and limited recording range for monitoring Taiwan regional earthquakes. For large earthquakes, near source ground shakings will be over the recording range of this system. It has a great effect on large events magnitude determination and hypocenter location. (system can not pick near source S wave arrivals). However, when a large event occurred, the Taiwan Instrument Strong Motion Program (TSMIP) accelerometers will be triggered and record it. These records can be used for enhancing large events monitoring. For this above reason, we used the CWBSN and TSMIP records to determine the 3D velocity structures and to improve the precision of earthquakes location.application/pdf389771 bytesapplication/pdfzh-TW國立臺灣大學地質科學系暨研究所地震定位三維地下構造規模震源機制earthquake locationthree-dimensional crust structuresmagnitudefocal mechanismreporthttp://ntur.lib.ntu.edu.tw/bitstream/246246/11873/1/932119M002030.pdf