北海道北部地域の重力測定

本多, 亮; 茂木, 透

doi:https://doi.org/10.14943/gbhu.71.71

北海道北部地域の重力測定

本多, 亮; 茂木, 透

北海道大学地球物理学研究報告, 2008, 71, 71-90

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アクセス権	open access
DOI	https://doi.org/10.14943/gbhu.71.71
URI	https://hdl.handle.net/2115/32761
タイトル	北海道北部地域の重力測定
タイトル	Gravity survey in the Northern Hokkaido region, Northern Japan
著者	著者名本多, 亮 Honda, Ryo
著者	e-Rad_Researcher 80182161 著者名茂木, 透 Mogi, Toru
言語	日本語
発行日	2008-03-15
出版者	北海道大学大学院理学研究院自然史科学部門（地球物理学）
収録物名	北海道大学地球物理学研究報告
収録物名	Geophysical bulletin of Hokkaido University
巻(号)	71
ページ	71-90
抄録	The northern part of Hokkaido (Dohoku region) is recognized as the boundary region between the Okhotsk and Amurian plates. In this region, strain concentration is reported based on triangulation and GPS observations. However, there had not been observed any inland earthquakes larger than MJMA 6 in Dohoku region, until the 2004 Rumoi-Nanbu earthquake (MJMA 6.1) occurred. There may be a possibility of occurrence of intraplate large earthquake in the future. The mechanism of the earthquakes observed in the region is strikeslip and thrust type, owing to the east-west compression. In case the thrust type earthquake had been rupturing recurrently, it should be resulted as positive Bouguer gravity anomalies. There exists plenty amounts of gravity observation data in this region, for the purpose of oil and mineral exploration. However, it exists as a hand written paper document. Additionally, these data are basically unreleased. So we performed gravity measurement in the Dohoku region to draw more detailed Bouguer anomaly map. The observed gravity data is listed in this document.
資源タイプ	紀要論文
出版タイプ	Version of Record
PISSN	0439-3503
NCID	AN0008976X