National News 26 seismic meters found to be faulty

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The Meteorological Agency will stop announcing seismic intensity data from 26 locations because the meters there are inaccurate. The agency said seismic intensity might be over-reported at 23 of the sites, especially those where the meters were placed in the middle of a slope. The other three meters, which were installed on hard bedrock in mountain ravines, might under-report quake intensity. The meters are part of the 627 observation points the agency has set up nationwide. (Kyodo News)

全国26ヵ所の震度計に問題

気象庁は、26ヵ所の震度計の設置状況が不適切だったため、それらからの震度情報発表をやめることを明らかにした。

Shukan ST: September 4, 2009

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