地震波伝搬による地電位差変動の発生特性

• 竹内 伸直

  東北大

• 中鉢 憲賢

  東北大

• 成田 憲一

  宮城職業能力開発短大

書誌事項

タイトル別名

• Characteristics of Earth Potential Difference Generations by Seismic Wave
• ジシンハ デンパン ニヨル チデンイサ ヘンドウ ノ ハッセイ トクセイ

抄録

To clarify the relationship between earthquakes and electric phenomena the earth potential difference (EPD) has been observed continuously at Aobayama in Sendai and Tsukidate, 60km north of Sendai. A new measuring method of the EPD is used to reduce the unnecessary signals induced by artificial and natural earth current sources. We have noticed just the EPD variational signals induced by seismic waves. On all earthquakes of more than 1 of JMA (Japan Meteorological Agency) intensity scale we can clearly observe EPD signals. The P-wave arraival times agree quite well with ones obtained by the seismograph at Meteorological Agency Seismograph. The EPD signals of Kobe earthquake, though less than 1 scale, have been clearly recorded at the both observatories points. The EPD signals are also observed at three different positions under the ground. We have found interesting electric field characteristics caused by seismic waves as follows; (1) the electrical field in the vertical direction is higher than in the horizontal direction by one order (2) this field increases rapidly coming up to the ground surface.

収録刊行物

• 電気学会論文誌Ｃ（電子・情報・システム部門誌）

  電気学会論文誌Ｃ（電子・情報・システム部門誌） 116 (9), 1064-1069, 1996

  一般社団法人 電気学会

キーワード

• 地震波
• 兵庫県南部地震
• 流動電位
• 地電位差
• 地震観測
• 照合電極

詳細情報

• CRID: 1390001204608828416
• NII論文ID: 130006844424
• NII論文ID: 10010429095
• NII論文ID: 10001786848
• NII書誌ID: AN10065950
• DOI: 10.1541/ieejeiss1987.116.9_1064
• ISSN: 13488155
• ISSN: 03854221
• ISSN: http://id.crossref.org/issn/03854221
• NDL書誌ID: 4020573
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I4020573
• Web Site: https://www.jstage.jst.go.jp/article/ieejeiss1987/116/9/116_9_1064/_pdf
• データソース種別:
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  • NDL
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