当サイトでは、より良いサービスを提供するため、クッキーを利用しています。クッキーの使用に同意いただける場合は「同意」ボタンをクリックし、クッキーポリシーについては「詳細を見る」をクリックしてください。詳しくは当サイトの サイトポリシー をご確認ください。

詳細を見る...
ログイン サインアップ
言語:

WEKO3

  • トップ
  • ランキング
To

Field does not validate



インデックスリンク

インデックスツリー

  • RootNode

メールアドレスを入力してください。

WEKO

One fine body…

WEKO

One fine body…

アイテム

{"_buckets": {"deposit": "d324d711-bac7-4611-819d-0c371072392f"}, "_deposit": {"created_by": 7, "id": "7045", "owners": [7], "pid": {"revision_id": 0, "type": "depid", "value": "7045"}, "status": "published"}, "_oai": {"id": "oai:nied-repo.bosai.go.jp:00007045", "sets": []}, "author_link": [], "item_10001_biblio_info_7": {"attribute_name": "書誌情報", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2024-06", "bibliographicIssueDateType": "Issued"}, "bibliographicPageStart": "84", "bibliographicVolumeNumber": "76", "bibliographic_titles": [{"bibliographic_title": "Earth, Planets and Space", "bibliographic_titleLang": "en"}]}]}, "item_10001_description_5": {"attribute_name": "抄録", "attribute_value_mlt": [{"subitem_description": "We calculated stress drops for 2875 small intraslab earthquakes at intermediate depths beneath Tohoku, Japan. We applied an S-coda-wave spectral ratio method to almost 900,000 event pairs. Detailed velocity values for the oceanic crust (OC) were adopted from previous observational studies. The median stress drops in the OC are about half those in the oceanic mantle (OM). The median stress drop for earthquakes in the OC decreases from depths of 70 to 120 km and increases from 120 to 170 km. Our preferred interpretation is that the rigidity in the OC decreases and then increases with depth due to combined effects of the dehydration associated with the eclogite formation and the increasing temperature with depth. These depth variations are consistent with results of a similar study beneath Hokkaido. The median stress drops in the oceanic plate beneath Tohoku are generally smaller than those beneath Hokkaido. Previous studies imaging the seismic structure at shallow depths and b-value analyses of intraslab earthquakes indicate that the near-trench region of the oceanic plate off Tohoku is more hydrated than that off Hokkaido. Taken together, these results suggest that differences in the degree of hydration of the oceanic plate in the near-trench regions could produce the different behaviors of stress drops of intermediate-depth earthquakes observed in Tohoku and Hokkaido.", "subitem_description_language": "en", "subitem_description_type": "Other"}]}, "item_10001_publisher_8": {"attribute_name": "出版者", "attribute_value_mlt": [{"subitem_publisher": "Springer Nature", "subitem_publisher_language": "en"}]}, "item_10001_relation_14": {"attribute_name": "DOI", "attribute_value_mlt": [{"subitem_relation_type_id": {"subitem_relation_type_id_text": "10.1186/s40623-024-02032-5"}}]}, "item_10001_source_id_9": {"attribute_name": "ISSN", "attribute_value_mlt": [{"subitem_source_identifier": "1880-5981", "subitem_source_identifier_type": "ISSN"}]}, "item_creator": {"attribute_name": "著者", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "Saeko Kita", "creatorNameLang": "en"}]}, {"creatorNames": [{"creatorName": "Takahiro Shiina", "creatorNameLang": "en"}]}, {"creatorNames": [{"creatorName": "Heidi Houston", "creatorNameLang": "en"}]}, {"creatorNames": [{"creatorName": "Katsuhiko Shiomi", "creatorNameLang": "en"}]}]}, "item_language": {"attribute_name": "言語", "attribute_value_mlt": [{"subitem_language": "eng"}]}, "item_title": "Stress drops of intermediate-depth intraslab earthquakes beneath Tohoku, northern Japan", "item_titles": {"attribute_name": "タイトル", "attribute_value_mlt": [{"subitem_title": "Stress drops of intermediate-depth intraslab earthquakes beneath Tohoku, northern Japan", "subitem_title_language": "en"}]}, "item_type_id": "40001", "owner": "7", "path": ["1670839190650"], "permalink_uri": "https://nied-repo.bosai.go.jp/records/7045", "pubdate": {"attribute_name": "PubDate", "attribute_value": "2025-04-07"}, "publish_date": "2025-04-07", "publish_status": "0", "recid": "7045", "relation": {}, "relation_version_is_last": true, "title": ["Stress drops of intermediate-depth intraslab earthquakes beneath Tohoku, northern Japan"], "weko_shared_id": -1}
  1. 防災科研関係論文

Stress drops of intermediate-depth intraslab earthquakes beneath Tohoku, northern Japan

https://nied-repo.bosai.go.jp/records/7045
https://nied-repo.bosai.go.jp/records/7045
eae12afd-ca35-40ce-b128-f3e9c4ab37da
Item type researchmap(1)
公開日 2025-04-07
タイトル
言語 en
タイトル Stress drops of intermediate-depth intraslab earthquakes beneath Tohoku, northern Japan
言語
言語 eng
著者 Saeko Kita

× Saeko Kita

en Saeko Kita

Search repository
Takahiro Shiina

× Takahiro Shiina

en Takahiro Shiina

Search repository
Heidi Houston

× Heidi Houston

en Heidi Houston

Search repository
Katsuhiko Shiomi

× Katsuhiko Shiomi

en Katsuhiko Shiomi

Search repository
抄録
内容記述タイプ Other
内容記述 We calculated stress drops for 2875 small intraslab earthquakes at intermediate depths beneath Tohoku, Japan. We applied an S-coda-wave spectral ratio method to almost 900,000 event pairs. Detailed velocity values for the oceanic crust (OC) were adopted from previous observational studies. The median stress drops in the OC are about half those in the oceanic mantle (OM). The median stress drop for earthquakes in the OC decreases from depths of 70 to 120 km and increases from 120 to 170 km. Our preferred interpretation is that the rigidity in the OC decreases and then increases with depth due to combined effects of the dehydration associated with the eclogite formation and the increasing temperature with depth. These depth variations are consistent with results of a similar study beneath Hokkaido. The median stress drops in the oceanic plate beneath Tohoku are generally smaller than those beneath Hokkaido. Previous studies imaging the seismic structure at shallow depths and b-value analyses of intraslab earthquakes indicate that the near-trench region of the oceanic plate off Tohoku is more hydrated than that off Hokkaido. Taken together, these results suggest that differences in the degree of hydration of the oceanic plate in the near-trench regions could produce the different behaviors of stress drops of intermediate-depth earthquakes observed in Tohoku and Hokkaido.
言語 en
書誌情報 en : Earth, Planets and Space

巻 76, p. 84, 発行日 2024-06
出版者
言語 en
出版者 Springer Nature
ISSN
収録物識別子タイプ ISSN
収録物識別子 1880-5981
DOI
関連識別子 10.1186/s40623-024-02032-5
戻る
0
views
See details
Views

Versions

Ver.1 2025-04-07 01:14:06.469181
Show All versions

エクスポート

OAI-PMH
  • OAI-PMH JPCOAR
  • OAI-PMH DublinCore
  • OAI-PMH DDI
Other Formats
  • JSON
  • BIBTEX

Confirm


Powered by WEKO3

Change consent settings


Powered by WEKO3

Change consent settings