Gravity Anomaly And Topography Induced By Repeated Fault Motions
The Accumulation Hypothesis deals with the origin of the gravity anomaly and topography around an active fault. This hypothesis was postulated that the gravity anomaly around active faults is the product of repeated fault motions; higher gravity anomaly will occured in compressed areas while lower a...
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| Format: | Article |
| Language: | English |
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Fakulti Kejuruteraan & Sains Geoinformasi, Universiti Teknologi Malaysia.
1997
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| Online Access: | http://eprints.utm.my/4960/ http://eprints.utm.my/4960/1/SyedIllias1997_GravityAnomalyAndTopographyInduced.pdf |
| _version_ | 1848890931703447552 |
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| author | Syed Ilias, Syed Hashim Wan Mohd Akib, Wan Abdul Aziz |
| author_facet | Syed Ilias, Syed Hashim Wan Mohd Akib, Wan Abdul Aziz |
| author_sort | Syed Ilias, Syed Hashim |
| building | UTeM Institutional Repository |
| collection | Online Access |
| description | The Accumulation Hypothesis deals with the origin of the gravity anomaly and topography around an active fault. This hypothesis was postulated that the gravity anomaly around active faults is the product of repeated fault motions; higher gravity anomaly will occured in compressed areas while lower anomaly in dilated areas. If it is the case, the topography around an active fault can also be interpreted in terms of repeated coseismic elevation change. This paper therefore presents the characters of gravity changes and topography caused by strike-slip faulting at fujimi Valley, Nagano Prefecture, Japan. In order to compute theoretical gravity changes and elevation (h), we use analytical expressions of and 8h caused by faulting on a finite rectangular plane buried in a homogeneoous half-space. The expected gravity anomaly and topography for this test area are compared with the observed data. The analyses have shown that the simple fault model yields gravity anomaly which agrees well with the observations. Similarly, the same model also generates the elevation changes that is consistent with the actual topography of the test area. |
| first_indexed | 2025-11-15T20:49:55Z |
| format | Article |
| id | utm-4960 |
| institution | Universiti Teknologi Malaysia |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-15T20:49:55Z |
| publishDate | 1997 |
| publisher | Fakulti Kejuruteraan & Sains Geoinformasi, Universiti Teknologi Malaysia. |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | utm-49602017-10-23T04:56:13Z http://eprints.utm.my/4960/ Gravity Anomaly And Topography Induced By Repeated Fault Motions Syed Ilias, Syed Hashim Wan Mohd Akib, Wan Abdul Aziz T Technology (General) The Accumulation Hypothesis deals with the origin of the gravity anomaly and topography around an active fault. This hypothesis was postulated that the gravity anomaly around active faults is the product of repeated fault motions; higher gravity anomaly will occured in compressed areas while lower anomaly in dilated areas. If it is the case, the topography around an active fault can also be interpreted in terms of repeated coseismic elevation change. This paper therefore presents the characters of gravity changes and topography caused by strike-slip faulting at fujimi Valley, Nagano Prefecture, Japan. In order to compute theoretical gravity changes and elevation (h), we use analytical expressions of and 8h caused by faulting on a finite rectangular plane buried in a homogeneoous half-space. The expected gravity anomaly and topography for this test area are compared with the observed data. The analyses have shown that the simple fault model yields gravity anomaly which agrees well with the observations. Similarly, the same model also generates the elevation changes that is consistent with the actual topography of the test area. Fakulti Kejuruteraan & Sains Geoinformasi, Universiti Teknologi Malaysia. 1997-09 Article PeerReviewed application/pdf en http://eprints.utm.my/4960/1/SyedIllias1997_GravityAnomalyAndTopographyInduced.pdf Syed Ilias, Syed Hashim and Wan Mohd Akib, Wan Abdul Aziz (1997) Gravity Anomaly And Topography Induced By Repeated Fault Motions. Buletin Geoinformasi, 2 (1). pp. 71-82. ISSN 1394-7702 |
| spellingShingle | T Technology (General) Syed Ilias, Syed Hashim Wan Mohd Akib, Wan Abdul Aziz Gravity Anomaly And Topography Induced By Repeated Fault Motions |
| title | Gravity Anomaly And Topography Induced By Repeated Fault Motions |
| title_full | Gravity Anomaly And Topography Induced By Repeated Fault Motions |
| title_fullStr | Gravity Anomaly And Topography Induced By Repeated Fault Motions |
| title_full_unstemmed | Gravity Anomaly And Topography Induced By Repeated Fault Motions |
| title_short | Gravity Anomaly And Topography Induced By Repeated Fault Motions |
| title_sort | gravity anomaly and topography induced by repeated fault motions |
| topic | T Technology (General) |
| url | http://eprints.utm.my/4960/ http://eprints.utm.my/4960/1/SyedIllias1997_GravityAnomalyAndTopographyInduced.pdf |