書誌事項
- タイトル別名
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- Configuration of the Philippine Sea Slab and Seismic Activity in and around Kyushu
- キュウシュウカ フィリピンカイ スラブ ノ ケイジョウ ト ジシン カツドウ
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抄録
There are several gap zones in the intermediate-depth seismicity in the Philippine Sea slab beneath Kyushu. The focal depth of the deepest earthquake increases step-like toward the south, and dip direction and inclination of the slab change from segment to segment divided by the gaps. Further, seismicity around the depth of 80km, where the slab bends steeply downwards, varies with the segments. That is, the seismicity is very low for the northern segment, whereas fairly many earthquakes occur in the middle and the southern segments, although no earthquake with M≥4 was observed in the depth range deeper than 80km in the southern segment during the period 1926 through 1990. Sectionalization is seen in the seismic activities in the Hyuganada basin. Aftershock areas of large earthquakes in the Hyuganada basin are delineated by the boundaries of the segments. Moreover, a tendency of successive occurrence of large earthquakes, first in the northern section, then in the southern section, is clearly recognized.
収録刊行物
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- 地震 第2輯
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地震 第2輯 45 (1), 45-51, 1992
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
- 1390282679283378944
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- NII論文ID
- 130006788318
- 10003669227
- 10006219322
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- NII書誌ID
- AN00305741
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- ISSN
- 18839029
- 2186599X
- 00371114
- http://id.crossref.org/issn/00371114
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- NDL書誌ID
- 3779996
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可