Broad band seismological observation in the USSR Far East and Indonesia

苏联远东和印度尼西亚宽带地震观测

• 批准号: 02041023
• 负责人: GELLER Robert
• 金额: $ 1.92万
• 依托单位: Tokyo University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for international Scientific Research
• 财政年份: 1990
• 资助国家: 日本
• 起止时间: 1990 至 1991
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-02041023/
• 关键词: Broadband seismological observations; Seismicity of western Pacific

The purpose of this research, which was carried out during the 1990 and 1991 fiscal years (April 1990-March 1992) was to install broadband high dynamic range seismographs at Yuzhno-Sakhalinsk (YSS) in the USSR and Prapat, Sumatra, Indonesia. (Note : During the course of this research the official name of the USSR was changed to Russia, but the former name is used in this report.) Despite some changes during the course of the research, basically the original plan was successfully carried out. The installation of the above two stations is one of the first steps in installing the POSEIDON (Pacific Orient SEIsmic Digital Observation) Network. As this network has not yet been officially approved, we are currently referring to this as the "pre-POSEIDON" network. The data acquired under this grant are being archived in the pre-POSEIDON Data Center, Earthquake Research Institute, Tokyo University, where they are all publicly accessible.The POSEIDON Project was proposed by Japanese researchers … More in 1987, and was, enthusiastically endorsed by prospective host countries in 1988 at an international conference held in Tokyo. The pre-POSEIDON project currently involves stations installed or definitely scheduled to be installed in Indonesia, the USSR, Korea, and the Philippines. Funds for these stations are being provided by this and other grants-inaid for scientific research from the Japanese government. Details of our activities under this grant are as follows.Indonesia : The station at Prapat is a cooperative effort of the Japan side and the Indonesian Meteorological and Geophysical Agency (BMG). A preliminary survey of the Prapat site was carried out during the 1990 fiscal year. From Oct. 17-25, 1991, the installation team (Geller, Suetsugu, Gunawan) traveled to Prapat to install the station ; the main components are the STS-2 seismometer and the NEC FC-9801 PC used for recording the data. The installation was successfully completed. The seismometer is operating satisfactorily, and data are being sent every month to Japan by the BMG. However, several tasks remain. (1) Better measures to insulate the seismometer from daily heat fluctuations are required to reduce the background noise level. (2) Software problems in the data logging system must be corrected. (3) If funds are available, the A/D converters should be upgraded.USSR : The station at YSS is a cooperative effort between the Japan side, the Institute of Marine Geology and Geophysics (IMGG) of the USSR Academy of Sciences, and the U. S. Geological Survey (USGS). When our original proposal was submitted, the USGS had agreed to furnish to the Japan side broadband equipment which would then be installed by the Japan side at YSS. However, at the request of the USGS, this plan was changed to the following. The USGS would install the broadband station at YSS, and this would then be operated as a three-way cooperative effort by the USSR, USGS, and the Japan side. The data from the YSS station will be sent directly to Japan and the USGS by the USSR side. Geller and Moriya visited YSS in August, 1991 and met with IMGG and USGS representatives for a site survey and to sign a memo confirming the above arrangement. At the time of this report (mid-March, 1992), we have confirmed that the station will be installed at YSS by the end of March, 1992. Less

这项研究的目的是在1990年和1991财政年度（1990年3月1992年3月）进行的，是在苏联和普拉帕特，印度尼西亚的苏联和普拉帕特安装宽带高动态范围地震仪（YSS）。 （注意：在这项研究过程中，苏联的官方名称已更改为俄罗斯，但本报告中使用了前一种名称。）尽管在研究过程中进行了一些变化，但基本上，原始计划已成功执行。上述两个电台的安装是安装波塞冬（太平洋东方地震数字观察）网络的第一步。由于该网络尚未得到正式批准，因此我们目前将其称为“ Pre-Poseidon”网络。该赠款中获得的数据正在东京大学地震研究所的波塞冬数据中心归档，在那里他们都可以公开获取。Poseidon项目是由日本研究人员提出的……更多是在1987年的日本研究人员，并在1988年在东京举行的国际会议上受到了预期的东道国的热情认可。 Poseidon的预冬岛项目目前涉及安装的电台或绝对计划在印度尼西亚，苏联，韩国和菲律宾安装。这些电台的资金由日本政府的科学研究提供了该电台的资金。我们在这笔赠款下的活动的详细信息如下。 1990财政年度对Prapat地点进行了初步调查。从1991年10月17日至25日，安装团队（Geller，suetsugu，Gunawan）前往Prapat安装了车站。主要组件是用于记录数据的STS-2地震计和NEC FC-9801 PC。该安装成功完成。地震计的运行令人满意，并且BMG每月将数据发送到日本。但是，仍然存在几个任务。 （1）需要采取更好的措施来使每日热量波动的地震计隔离，以降低背景噪声水平。 （2）必须纠正数据记录系统中的软件问题。 （3）如果有资金，则应升级A/D转换器。USSR：YSS的车站是日本方面，美国科学院欧洲统计局的海洋地质与地球物理学研究所（IMGG）之间的合作努力，以及美国地质调查（USGS）。当我们提交我们的原始提议时，USGS已同意向日本宽带设备提供，然后由日本方面安装在YSS。但是，应USGS的要求，此计划已更改为以下内容。 USGS将在YSS安装宽带站，然后由苏联，USGS和日本方作为三向合作的工作。来自YSS站的数据将直接发送到苏联一侧的日本和USGS。盖勒（Geller）和莫里亚（Moriya）于1991年8月访问了YSS，并与IMGG和USGS会面代表进行现场调查，并签署一份备忘录，以证实上述安排。在本报告（3月中旬，1992年中期）时，我们已经确认该电台将在1992年3月底之前安装在YSS。

项目成果

吉田 康宏: "1989年に起きた三陸沖群発地震の震源過程" 地震学会講演予稿集. 2. 71-71 (1990)

Yasuhiro Yoshida：“1989 年 Sanriku-oki 地震群的震源过程”日本地震学会学报 2. 71-71 (1990)。

鷹野 澄: "Fibonacci 波形圧縮法を用いた地震波デ-タの連続収録" 地震学会講演予稿集. 2. 280-280 (1990)

Sumi Takano：“使用斐波那契波形压缩方法连续记录地震波数据”日本地震学会会议记录 2. 280-280 (1990)。

Ichiro Nakanishi: "The November 13,1990 Earthquake of Ms6 off the coast of the Primorskij region,Eastern USSR" Geoqhysical Research Letters. 19. (1992)

Ichiro Nakanishi：“1990 年 11 月 13 日苏联东部普里莫尔斯基地区海岸发生的 6 号地震”地球物理研究快报。

Minoru Takeo: "Broadband seismic observation with STS-2 at Prapal, Indonesia" Programme and Abstracts, Seismological Society of Japan. 1991(2). 303 (1991)

Minoru Takeo：“在印度尼西亚普拉帕尔使用 STS-2 进行宽带地震观测”项目和摘要，日本地震学会。

森谷 武男: "朱鞠内地震(1990年11月11日,M:5.2)と3の周辺のサイスモテクトニクス" 地球惑星科学関連学会 1991年合同大会共通セッション予稿集. 210 (1991)

Takeo Moriya：“Shumarinai地震（1990年11月11日，M：5.2）和地震构造学3”地球和行星科学协会1991年联席会议共同会议论文集210（1991）。