全国26ヵ所の震度計に問題 | 英語のニュース

National News

26 seismic meters found to be faulty

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)

Shukan ST: September 4, 2009

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National News 26 seismic meters found to be faulty 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) Shukan ST: September 4, 2009 (C) All rights reserved