Temporal characteristics of high band-pass filtered teleseismic P-waveforms from large shallow earthquakes
We measured time differences between P -wave arrivals and the times at which squared amplitudes of high bandpass (2–4 Hz) filtered P -waves became the largest for large shallow earthquakes that occurred during the period 1995–2007. The time differences were then normalized by twice the centroid time...
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| Veröffentlicht in: | Earth, planets, and space planets, and space, 2008-01, Vol.60 (7), p.781-784 |
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| container_title | Earth, planets, and space |
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| creator | Hara, Tatsuhiko |
| description | We measured time differences between
P
-wave arrivals and the times at which squared amplitudes of high bandpass (2–4 Hz) filtered
P
-waves became the largest for large shallow earthquakes that occurred during the period 1995–2007. The time differences were then normalized by twice the centroid time shift for the corresponding earthquakes. We found that most of the seismograms had normalized time differences that congregated at about 50% (corresponding to centroid time shifts). Few normalized time differences were found in the 0–20% range. These results support the use of this time difference to infer the order of the source duration and, thereby, the effectiveness of the duration measurement procedure of the high-frequency energy radiation that we recently developed. |
| doi_str_mv | 10.1186/BF03352827 |
| format | Article |
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P
-wave arrivals and the times at which squared amplitudes of high bandpass (2–4 Hz) filtered
P
-waves became the largest for large shallow earthquakes that occurred during the period 1995–2007. The time differences were then normalized by twice the centroid time shift for the corresponding earthquakes. We found that most of the seismograms had normalized time differences that congregated at about 50% (corresponding to centroid time shifts). Few normalized time differences were found in the 0–20% range. These results support the use of this time difference to infer the order of the source duration and, thereby, the effectiveness of the duration measurement procedure of the high-frequency energy radiation that we recently developed.</description><identifier>ISSN: 1343-8832</identifier><identifier>ISSN: 1880-5981</identifier><identifier>EISSN: 1880-5981</identifier><identifier>DOI: 10.1186/BF03352827</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Cosmochemistry. Extraterrestrial geology ; Earth and Environmental Science ; Earth Sciences ; Earth, ocean, space ; Exact sciences and technology ; Geology ; Geophysics/Geodesy ; Letter</subject><ispartof>Earth, planets, and space, 2008-01, Vol.60 (7), p.781-784</ispartof><rights>The Society of Geomagnetism and Earth, Planetary and Space Sciences (SGEPSS); The Seismological Society of Japan; The Volcanological Society of Japan; The Geodetic Society of Japan; The Japanese Society for Planetary Sciences. 2008</rights><rights>2008 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a412t-20dc905d0e48394d2c844e4fe028571c350e7f05a0a3869cf3761c7d9fb20f393</citedby><cites>FETCH-LOGICAL-a412t-20dc905d0e48394d2c844e4fe028571c350e7f05a0a3869cf3761c7d9fb20f393</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1186/BF03352827$$EPDF$$P50$$Gspringer$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://doi.org/10.1186/BF03352827$$EHTML$$P50$$Gspringer$$Hfree_for_read</linktohtml><link.rule.ids>314,780,784,27924,27925,41120,41488,42189,42557,51319,51576</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=20708631$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Hara, Tatsuhiko</creatorcontrib><title>Temporal characteristics of high band-pass filtered teleseismic P-waveforms from large shallow earthquakes</title><title>Earth, planets, and space</title><addtitle>Earth Planet Sp</addtitle><description>We measured time differences between
P
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P
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P
-wave arrivals and the times at which squared amplitudes of high bandpass (2–4 Hz) filtered
P
-waves became the largest for large shallow earthquakes that occurred during the period 1995–2007. The time differences were then normalized by twice the centroid time shift for the corresponding earthquakes. We found that most of the seismograms had normalized time differences that congregated at about 50% (corresponding to centroid time shifts). Few normalized time differences were found in the 0–20% range. These results support the use of this time difference to infer the order of the source duration and, thereby, the effectiveness of the duration measurement procedure of the high-frequency energy radiation that we recently developed.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1186/BF03352827</doi><tpages>4</tpages><oa>free_for_read</oa></addata></record> |
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| source | SpringerNature Journals; Springer Nature OA Free Journals; EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection |
| subjects | Cosmochemistry. Extraterrestrial geology Earth and Environmental Science Earth Sciences Earth, ocean, space Exact sciences and technology Geology Geophysics/Geodesy Letter |
| title | Temporal characteristics of high band-pass filtered teleseismic P-waveforms from large shallow earthquakes |
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