Rupture length and velocity for earthquakes in the Mid-Atlantic Ridge from directivity effect in body and surface waves
The dimensions and rupture velocities of four earthquakes, two in the Mid-Atlantic Ridge and two in Iceland with strike–slip mechanisms and magnitudes ( M w) between 6.2 and 6.8 were studied using the directivity effects of Rayleigh and body waves. For Rayleigh waves we used the directivity function...
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| Veröffentlicht in: | Tectonophysics 2007-04, Vol.433 (1), p.65-79 |
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| creator | Pro, C. Buforn, E. Udías, A. |
| description | The dimensions and rupture velocities of four earthquakes, two in the Mid-Atlantic Ridge and two in Iceland with strike–slip mechanisms and magnitudes (
M
w) between 6.2 and 6.8 were studied using the directivity effects of Rayleigh and body waves. For Rayleigh waves we used the directivity function for different pairs of stations and for body waves the waveforms of
P and SH waves corresponding to a simple extended line source. We have found that three have very shallow depths about 3 km and one 8 km, fault lengths between 12 km and 21 km, and a low rupture velocity of about 1.5 km/s to 2.0 km/s which supports the idea of the presence of slow earthquakes in transform faults. |
| doi_str_mv | 10.1016/j.tecto.2006.12.011 |
| format | Article |
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M
w) between 6.2 and 6.8 were studied using the directivity effects of Rayleigh and body waves. For Rayleigh waves we used the directivity function for different pairs of stations and for body waves the waveforms of
P and SH waves corresponding to a simple extended line source. We have found that three have very shallow depths about 3 km and one 8 km, fault lengths between 12 km and 21 km, and a low rupture velocity of about 1.5 km/s to 2.0 km/s which supports the idea of the presence of slow earthquakes in transform faults.</description><identifier>ISSN: 0040-1951</identifier><identifier>EISSN: 1879-3266</identifier><identifier>DOI: 10.1016/j.tecto.2006.12.011</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Fault lengths ; Mid-Atlantic and Iceland earthquakes ; Rayleigh and body waves directivity ; Rupture velocity</subject><ispartof>Tectonophysics, 2007-04, Vol.433 (1), p.65-79</ispartof><rights>2007 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a357t-ddb400bd5ab1340b3ae897bac89a9562601d54aaf496aba984bc12727a6ce3bd3</citedby><cites>FETCH-LOGICAL-a357t-ddb400bd5ab1340b3ae897bac89a9562601d54aaf496aba984bc12727a6ce3bd3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.tecto.2006.12.011$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Pro, C.</creatorcontrib><creatorcontrib>Buforn, E.</creatorcontrib><creatorcontrib>Udías, A.</creatorcontrib><title>Rupture length and velocity for earthquakes in the Mid-Atlantic Ridge from directivity effect in body and surface waves</title><title>Tectonophysics</title><description>The dimensions and rupture velocities of four earthquakes, two in the Mid-Atlantic Ridge and two in Iceland with strike–slip mechanisms and magnitudes (
M
w) between 6.2 and 6.8 were studied using the directivity effects of Rayleigh and body waves. For Rayleigh waves we used the directivity function for different pairs of stations and for body waves the waveforms of
P and SH waves corresponding to a simple extended line source. We have found that three have very shallow depths about 3 km and one 8 km, fault lengths between 12 km and 21 km, and a low rupture velocity of about 1.5 km/s to 2.0 km/s which supports the idea of the presence of slow earthquakes in transform faults.</description><subject>Fault lengths</subject><subject>Mid-Atlantic and Iceland earthquakes</subject><subject>Rayleigh and body waves directivity</subject><subject>Rupture velocity</subject><issn>0040-1951</issn><issn>1879-3266</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNp9kD1v2zAQhomiAep8_IIsnLpJJSWRMocORtAkBVwEMNKZOJInm64s2iRlw_--cty5093wPi_uHkIeOSs54_LbtsxocygrxmTJq5Jx_onM-LxVRV1J-ZnMGGtYwZXgX8htSls2BbmQM3Jajfs8RqQ9Duu8oTA4esQ-WJ_PtAuRIsS8OYzwBxP1A80bpL-8Kxa5hyF7S1ferZF2Meyo83G6wh8vKHbdtF8IE9z5ozaNsQOL9ARHTPfkpoM-4cO_eUd-P_94f3otlm8vP58WywJq0ebCOdMwZpwAw-uGmRpwrloDdq5ACVlJxp1oALpGSTCg5o2xvGqrFqTF2rj6jny99u5jOIyYst75ZLGfrscwJl0pIYRSYgrW16CNIaWInd5Hv4N41pzpi2S91R-S9UWy5pWeJE_U9yuF0w9Hj1En63GweHWhXfD_5f8CTJuJIg</recordid><startdate>20070402</startdate><enddate>20070402</enddate><creator>Pro, C.</creator><creator>Buforn, E.</creator><creator>Udías, A.</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SM</scope><scope>8FD</scope><scope>FR3</scope><scope>KR7</scope></search><sort><creationdate>20070402</creationdate><title>Rupture length and velocity for earthquakes in the Mid-Atlantic Ridge from directivity effect in body and surface waves</title><author>Pro, C. ; Buforn, E. ; Udías, A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a357t-ddb400bd5ab1340b3ae897bac89a9562601d54aaf496aba984bc12727a6ce3bd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Fault lengths</topic><topic>Mid-Atlantic and Iceland earthquakes</topic><topic>Rayleigh and body waves directivity</topic><topic>Rupture velocity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pro, C.</creatorcontrib><creatorcontrib>Buforn, E.</creatorcontrib><creatorcontrib>Udías, A.</creatorcontrib><collection>CrossRef</collection><collection>Earthquake Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Tectonophysics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pro, C.</au><au>Buforn, E.</au><au>Udías, A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Rupture length and velocity for earthquakes in the Mid-Atlantic Ridge from directivity effect in body and surface waves</atitle><jtitle>Tectonophysics</jtitle><date>2007-04-02</date><risdate>2007</risdate><volume>433</volume><issue>1</issue><spage>65</spage><epage>79</epage><pages>65-79</pages><issn>0040-1951</issn><eissn>1879-3266</eissn><abstract>The dimensions and rupture velocities of four earthquakes, two in the Mid-Atlantic Ridge and two in Iceland with strike–slip mechanisms and magnitudes (
M
w) between 6.2 and 6.8 were studied using the directivity effects of Rayleigh and body waves. For Rayleigh waves we used the directivity function for different pairs of stations and for body waves the waveforms of
P and SH waves corresponding to a simple extended line source. We have found that three have very shallow depths about 3 km and one 8 km, fault lengths between 12 km and 21 km, and a low rupture velocity of about 1.5 km/s to 2.0 km/s which supports the idea of the presence of slow earthquakes in transform faults.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.tecto.2006.12.011</doi><tpages>15</tpages></addata></record> |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Fault lengths Mid-Atlantic and Iceland earthquakes Rayleigh and body waves directivity Rupture velocity |
| title | Rupture length and velocity for earthquakes in the Mid-Atlantic Ridge from directivity effect in body and surface waves |
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