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Vol. pp. 2. ,**3 +*1 ++. ˘ˇˆ Buildup and Operation of MeSO ... · 108 Fig. . Schematic...

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腄腈 膣膥 腅腁 腇腄 腅腁 腅腄 腯膵腊 膚臤腓腮腘腻腂腹腢臁 膤臲膦致臏 臑臼 膣自膗臭臒膭膢臍 腟腙腛腊腭 腒腮腦腜腠 膣自膗臭臒膭膢臍腜膵腙腛腏 臟臷腓腮腭臆 至膐臭臒腡臝臨臢腯膔 腕腭腝腝腨 腘腺膆膂腂腹臁臜臭臒膚臤腡膚臤臺臓腢 臺腜腉 臭臒腠腪腭 膖腡膪膯腝臆 腡膊膿腠膾腕腭腒 腜膚臤腓腮腘腻腂腹腯臈臉 膱膕 腝腯 臹腝腔腛 膛腡膭膢膕 膀膇腷腲腴腼 腕腭腘腧腠腢 臭臒 膧腯膟 臦腕腭腘腧腡自 至膐臭臒 膯膹 膀膇腷腲腴腼 膫腜腡 膟膏臠臮膡腣膩膻臔 腡膶腊臌 臠臮腍腫腟腭臚 腡臙 膀膆腂腼膳臣臲膸 臒膰臬臞膃腻膅 腡膳臯 腎臃膽 腝腟腙腛腊腘 腗腒腜 臭臒膭膢臍 腓腮腛腊腭 腒腡膀膇腷腲腴腼腜腢 膫臭臒膚臤 腻腂腹腸膈腹腂 膉膐 腻腂腹腸膈腹腂 膫腠 膓臍腡膚臤臺腍腫腟腭臆 膫臭臒膚臤 腯臙臮腔 腗腡膍 腯膵腙腛腊腭 膴腜腢 腻腂腹腸 腡膳臯腯腕腕腧 臁臜臭臒膚臤腯膵腙腛腊 膈腹腂腡膳臕腝膍 腠腚腊腛臋腥腭 膘膮 臅膋 臫臼 腢腶膈膀膄膈腵膆腂腼 臥膚臤 腻腂腹腸膈腹腂腢 腗腡膞 腍腫腻腂腹臈臉 腻腂 腠腪腬臭臒膭膢臍腠臙臮腓腮腘腻腂腹腸膈 腹臌 臰臗 腻腂腹 腻腂腹膱膕 腚腠 腹腂腤膄腰膅腹腱膁臻臡腓腮腭 膹膒膗膠臊膭膢臍 腑腭腒腝腎腜腏腭 腻腂腹腸膈腹腂腢 臒腾膅 臭臒膭 膉膐 膹膒膭 膶膙 臭臒膚臤 膢臍 膷膜 腠臙臮腓腮 自膗臙 腡臷膝臺膬腠 腋臶 腢膚臤臺臓腎 腶膈膀膄膈腵膆腂腼 腩自臭臒 臖腟腞腡 臎臀腠腌腊腛腨臩腬腟腐 膺腯 腜膚臤腯膵腙腛腊腭腎 腡膚臤腠腌腊 膨臥腓腖腭腘腧腠 臁膑 臠臮 膰腠臘 腛臄 腓腮腭腻腂腹 臸腕腭自 臥腓腮腛腊腭 腻腂腹腸膈腹腂腠臙臮腔腘腶腂腽膡腣 臱臛 臵膎 臅膋臐膌 腁腗 腨腭 腇腙 腓腪 腍腀 腨腭 腞腧 腆腂腇腄 腊腁腉腈腋腉腁腅腏腒 腐腖腎腔腑腍腓腗腊腁腉腈腋腉腁腅腏腕腃腌腘 ῍῍ 107 Bull. Earthq. Res. Inst. Univ. Tokyo Vol. pp. * e-mail : [email protected] Earthquake Research Institute, the University of Tokyo We launched the Special Project for Earthquake Disaster Mitigation in the Metropolitan Tokyo area to obtain high-resolution images of three-dimensional seismic wave velocity and attenuation structures. The core item of this project is a dense seismic array called MeSO-net for making observations in the metropolitan area. MeSO-net consists of seismic stations, from which data are continuously collected at the Data Center at ERI. At the Sub-Center at NIED, data are backed up and integrated with Hi-net data. Seismic data with a sampling rate of Hz are transmitted to the Data Center using ACT protocol. Data from all stations are received at the Data Center at ERI. After checking the quality (including lost packets) of data received, data are automatically proc- essed and archived using the WIN system. This observational network and the Data Center are equipped with several new functions for reliable data transmission and ease of maintenance. : Metropolitan Seismic Observation network (MeSO-net), Data Center, WIN system MeSO-net MeSO-net ; ; MeSO-net Hz Hi-net Obara , Hz MeSO-net CVCF Hi-net * Shigeki Nakagawa*, Hiroshi Tsuruoka, Yuko Kawakita, Shin’ichi Sakai and Naoshi Hirata et al., Abstract Key words Buildup and Operation of MeSO-net Data Center 2. ,**3 +*1 ++. ++- **-, +++ .** ,** ,** / ,**3 .** ,**3 ,**3 ,**3 ,** ,**3 . + ,**/ + *** +** + ,
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107

Bull. Earthq. Res. Inst.

Univ. Tokyo

Vol. pp.

* e-mail : [email protected]

Earthquake Research Institute, the University of Tokyo

We launched the Special Project for Earthquake Disaster Mitigation in the Metropolitan Tokyo

area to obtain high-resolution images of three-dimensional seismic wave velocity and attenuation

structures. The core item of this project is a dense seismic array called MeSO-net for making

observations in the metropolitan area. MeSO-net consists of seismic stations, from which data

are continuously collected at the Data Center at ERI. At the Sub-Center at NIED, data are backed

up and integrated with Hi-net data. Seismic data with a sampling rate of Hz are transmitted to

the Data Center using ACT protocol. Data from all stations are received at the Data Center at ERI.

After checking the quality (including lost packets) of data received, data are automatically proc-

essed and archived using the WIN system. This observational network and the Data Center are

equipped with several new functions for reliable data transmission and ease of maintenance.

: Metropolitan Seismic Observation network (MeSO-net), Data Center, WIN system

MeSO-net

MeSO-net

; ;

MeSO-net Hz

Hi-net Obara

,

Hz MeSO-net CVCF

Hi-net

*

Shigeki Nakagawa*, Hiroshi Tsuruoka, Yuko Kawakita, Shin’ichi Sakai and Naoshi Hirata

et

al.,

Abstract

Key words

Buildup and Operation of MeSO-net Data Center

2. ,**3 +*1 ++.

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108

Fig. . Schematic illustration of flowchart of data transmission acquired by MeSO-net.

Table . Specifications of servers in Data Center.

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Table . (continued)

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Hirata, N., H. Sato, K. Koketsu, H. Hagiwara, F. Wu, D.

Okaya, T. Iwasaki, K. Kasahara, , Mega-thrust and .

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