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ICEARRAY
ICEARRAY is an abbreviation for Icelandic Strong-motion Array. The ICEARRAY network is a seismic array of 14 strong-motion stations located within the South Iceland Seismic Zone. Each station consists of a seismograph situated in a protective housing. The stations are spread across a geographical area of approximately 3 km² in the town of Hveragerdi in south-western Iceland. Most of the units are located in the basements of residential buildings in Hveragerdi town centre, which is approximately 35 km southeast of Iceland’s capital, Reykjavík.〔Halldórsson B and Sigbjörnsson R (2007) Design and Installation of the ICEARRAY, the First Small-Aperture Strong Motion Array in Iceland. ''Annual Meeting of the Seismological Society of America (SSA)'', 11–13 April, Hawaii, USA. Poster No. 07-446〕 The ICEARRAY project is supported by the 6th Framework of the European Commission through the Marie Curie International Re-integration Grant, the Iceland Centre for Research and the University of Iceland Earthquake Engineering Research Centre.
==Instruments==
The instruments used in the seismic array are CUSP-3Clp accelerometers manufactured by Canterbury Seismic Instruments Ltd. based in New Zealand. The instruments record three components of ground motion, i.e. one vertical and two horizontal components, over a high-dynamic range.〔Halldórsson B, Sigbjörnsson R and Schweitzer J (2008) ICEARRAY: the first small-aperture, strong-motion array in Iceland. ''Journal of Seismology'', DOI 10.1007/s10950-008-9133-z〕 The instruments are connected to a GPS clock, ensuring a uniform time over the network. The instruments communicate via a wireless permanent GPRS connection. This enables remote configuration of individual units and near real-time alerts and data uploading. An important feature that has been developed during the establishment of the array is a common triggering scheme. This feature was designed in collaboration with the manufacturers of the units. In the event of two or more units receiving an earthquake trigger, the common triggering feature activates the entire array to start recording. This scheme ensures complete data coverage and greatly reduces the need to filter out noise and manmade disturbances.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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