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- 平岩 幸雄
- 気象庁地震観測所
書誌事項
- タイトル別名
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- Relation between Swarm Activities and Strong Earthquakes in Izu Peninsula
- イズ ハントウ ノ グンパツ カツドウ ト ツヨイ ジシン ノ カンケイ ニ
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説明
The relationship between swarm activities on Izu Peninsular and its neighboring area and the possibility of an earthquake occuring afterward is irregular, and at present we cannot predict when a strong earthquake will occur. We have studied earthquakes of M≥5. 8 that occurred in this district and obtained the following relationship:<br>Y=-40±0.9X<br>Where X is a comparison value between the starting day of swarm activities and a calculated day when an earthquake M≥6 is expected to occure after a destructive earthquake, and Y is a comparison value between the starting day of swarm activities and the day when an earthquake of M≥6 actually occured.<br>When “X” is a negative value, it is calculated using the negative sign.<br>When “X” is equal to ±44, “Y” becomes zero. In other words, if the comparison value between the starting day of swarm activities and calculated value (day) of an earthquake of M≥6 is ±44 (days), a strong earthquake (M≥5.8) would occur immediately after the first day of the swarm activities.
収録刊行物
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- 地震 第2輯
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地震 第2輯 37 (1), 1-12, 1984
公益社団法人 日本地震学会
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詳細情報 詳細情報について
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- CRID
- 1390001204303173248
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- NII論文ID
- 130006783595
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- NII書誌ID
- AN00305741
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- ISSN
- 18839029
- 2186599X
- 00371114
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- NDL書誌ID
- 2992187
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- データソース種別
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- JaLC
- NDL
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