...To achieve this, it is necessary to optimize the placement of seismometers, eliminate ground noise, standardize and precisely calibrate seismometer specifications, ensure a wide frequency band and dynamic range, and maintain highly accurate timekeeping. Representative earthquake observation networks include the World-wide Standardized Seismograph Network (WWSSN), a global standardized seismograph network aimed at global observation, and the Japan Meteorological Agency's nationwide earthquake observation network covering all of Japan. These observation networks have made significant contributions to elucidating earthquake activity on a global scale and around Japan, and have also promoted progress in seismology in general. *Some of the terminology used in the "World-wide Standardized Seismograph Network" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…そのためには地震計配置の最適化,地動雑音の除去,地震計の規格の標準化と精密検定,広い周波数帯域とダイナミックレンジの確保,高精度の刻時の保守などが必要である。 代表的な地震観測網としては,地球規模の観測を目的とした世界標準地震観測網World‐wide Standardized Seismograph Network(略称WWSSN),日本全域をおおう気象庁の全国地震観測網などがある。これらの観測網はそれぞれ世界規模および日本周辺の地震活動の解明に大きく貢献し,また地震学全般の進歩をうながした。… ※「World-wide Standardized Seismograph Network」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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