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The ground motion excited by the Olyutorskii earthquake of April 20, 2006 and by its aftershocks based on digital recordings
We studied broadband digital records of the M W = 7.6 Olyutorskii earthquake of April 20, 2006 and its aftershocks at local and regional distances. We have made a detailed analysis of data on peak ground motion velocities and accelerations due to aftershocks based on records of two digital seismic s...
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| Published in: | Journal of volcanology and seismology 2010-04, Vol.4 (2), p.126-138 |
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| Main Authors: | , , |
| Format: | Article |
| Language: | English |
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| cited_by | cdi_FETCH-LOGICAL-c315t-3076d1aef33f63ef30a1ddab0645b6550f063fedfd5e1ef1073cb263ec675a0d3 |
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| cites | cdi_FETCH-LOGICAL-c315t-3076d1aef33f63ef30a1ddab0645b6550f063fedfd5e1ef1073cb263ec675a0d3 |
| container_end_page | 138 |
| container_issue | 2 |
| container_start_page | 126 |
| container_title | Journal of volcanology and seismology |
| container_volume | 4 |
| creator | Chubarova, O. S. Gusev, A. A. Chebrov, V. N. |
| description | We studied broadband digital records of the M
W
= 7.6 Olyutorskii earthquake of April 20, 2006 and its aftershocks at local and regional distances. We have made a detailed analysis of data on peak ground motion velocities and accelerations due to aftershocks based on records of two digital seismic stations, Tilichiki (TLC) and Kamenskoe (KAM). The first step in this analysis was to find the station correction for soil effects at TLC station using coda spectra. The correction was applied to the data to convert them to the reference bedrock beneath the Kamenskoe station. The second step involved multiple linear regression to derive average relationshis of peak amplitude to local magnitude M
L
and distance
R
for the Koryak Upland conditions. The data scatter about the average relationshis is comparatively low (0.22–0.25 log units). The acceleration amplitudes for M
L
= 5,
R
= 25 km are lower by factors of 2–3 compared with those for eastern Kamchatka, the western US, or Japan. A likely cause of this anomaly could be lower stress drops for the aftershocks. |
| doi_str_mv | 10.1134/S0742046310020065 |
| format | article |
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W
= 7.6 Olyutorskii earthquake of April 20, 2006 and its aftershocks at local and regional distances. We have made a detailed analysis of data on peak ground motion velocities and accelerations due to aftershocks based on records of two digital seismic stations, Tilichiki (TLC) and Kamenskoe (KAM). The first step in this analysis was to find the station correction for soil effects at TLC station using coda spectra. The correction was applied to the data to convert them to the reference bedrock beneath the Kamenskoe station. The second step involved multiple linear regression to derive average relationshis of peak amplitude to local magnitude M
L
and distance
R
for the Koryak Upland conditions. The data scatter about the average relationshis is comparatively low (0.22–0.25 log units). The acceleration amplitudes for M
L
= 5,
R
= 25 km are lower by factors of 2–3 compared with those for eastern Kamchatka, the western US, or Japan. A likely cause of this anomaly could be lower stress drops for the aftershocks.</description><identifier>ISSN: 0742-0463</identifier><identifier>EISSN: 1819-7108</identifier><identifier>DOI: 10.1134/S0742046310020065</identifier><language>eng</language><publisher>Dordrecht: SP MAIK Nauka/Interperiodica</publisher><subject>Earth and Environmental Science ; Earth Sciences ; Earthquakes ; Geochemistry ; Geology ; Geophysics ; Geophysics/Geodesy ; Ground motion ; Seismic activity ; Seismology</subject><ispartof>Journal of volcanology and seismology, 2010-04, Vol.4 (2), p.126-138</ispartof><rights>Pleiades Publishing, Ltd. 2010</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c315t-3076d1aef33f63ef30a1ddab0645b6550f063fedfd5e1ef1073cb263ec675a0d3</citedby><cites>FETCH-LOGICAL-c315t-3076d1aef33f63ef30a1ddab0645b6550f063fedfd5e1ef1073cb263ec675a0d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Chubarova, O. S.</creatorcontrib><creatorcontrib>Gusev, A. A.</creatorcontrib><creatorcontrib>Chebrov, V. N.</creatorcontrib><title>The ground motion excited by the Olyutorskii earthquake of April 20, 2006 and by its aftershocks based on digital recordings</title><title>Journal of volcanology and seismology</title><addtitle>J. Volcanolog. Seismol</addtitle><description>We studied broadband digital records of the M
W
= 7.6 Olyutorskii earthquake of April 20, 2006 and its aftershocks at local and regional distances. We have made a detailed analysis of data on peak ground motion velocities and accelerations due to aftershocks based on records of two digital seismic stations, Tilichiki (TLC) and Kamenskoe (KAM). The first step in this analysis was to find the station correction for soil effects at TLC station using coda spectra. The correction was applied to the data to convert them to the reference bedrock beneath the Kamenskoe station. The second step involved multiple linear regression to derive average relationshis of peak amplitude to local magnitude M
L
and distance
R
for the Koryak Upland conditions. The data scatter about the average relationshis is comparatively low (0.22–0.25 log units). The acceleration amplitudes for M
L
= 5,
R
= 25 km are lower by factors of 2–3 compared with those for eastern Kamchatka, the western US, or Japan. A likely cause of this anomaly could be lower stress drops for the aftershocks.</description><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Earthquakes</subject><subject>Geochemistry</subject><subject>Geology</subject><subject>Geophysics</subject><subject>Geophysics/Geodesy</subject><subject>Ground motion</subject><subject>Seismic activity</subject><subject>Seismology</subject><issn>0742-0463</issn><issn>1819-7108</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNp1UE1LwzAYDqLgmPsB3oJnq2-SJp3HMfyCwQ7Oc0mbpMvWNVuSggN_vKkTPIin5_B8ve-D0DWBO0JYfv8GRU4hF4wAUADBz9CITMlDVhCYnqPRQGcDf4kmIWwAgEw5ZZSP0OdqrXHjXd8pvHPRug7rj9pGrXB1xDGRy_bYR-fD1lqspY_rQy-3GjuDZ3tvW0zhFg-lWHbfHhsDliZqH9au3gZcyZDCUq6yjY2yxV7XzivbNeEKXRjZBj35wTF6f3pczV-yxfL5dT5bZDUjPGYMCqGI1IYxI1gCkEQpWYHIeSU4BwOCGa2M4ppoQ6BgdUWTshYFl6DYGN2ccvfeHXodYrlxve9SZZkuT6txQpOInES1dyF4bcr03k76Y0mgHGYu_8ycPPTkCUnbNdr_Bv9v-gL3In6A</recordid><startdate>20100401</startdate><enddate>20100401</enddate><creator>Chubarova, O. S.</creator><creator>Gusev, A. A.</creator><creator>Chebrov, V. N.</creator><general>SP MAIK Nauka/Interperiodica</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7TG</scope><scope>7TN</scope><scope>7UA</scope><scope>7XB</scope><scope>88I</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>GNUQQ</scope><scope>H96</scope><scope>HCIFZ</scope><scope>KL.</scope><scope>L.G</scope><scope>M2P</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope></search><sort><creationdate>20100401</creationdate><title>The ground motion excited by the Olyutorskii earthquake of April 20, 2006 and by its aftershocks based on digital recordings</title><author>Chubarova, O. S. ; Gusev, A. A. ; Chebrov, V. N.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c315t-3076d1aef33f63ef30a1ddab0645b6550f063fedfd5e1ef1073cb263ec675a0d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Earth and Environmental Science</topic><topic>Earth Sciences</topic><topic>Earthquakes</topic><topic>Geochemistry</topic><topic>Geology</topic><topic>Geophysics</topic><topic>Geophysics/Geodesy</topic><topic>Ground motion</topic><topic>Seismic activity</topic><topic>Seismology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chubarova, O. S.</creatorcontrib><creatorcontrib>Gusev, A. A.</creatorcontrib><creatorcontrib>Chebrov, V. 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S.</au><au>Gusev, A. A.</au><au>Chebrov, V. N.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The ground motion excited by the Olyutorskii earthquake of April 20, 2006 and by its aftershocks based on digital recordings</atitle><jtitle>Journal of volcanology and seismology</jtitle><stitle>J. Volcanolog. Seismol</stitle><date>2010-04-01</date><risdate>2010</risdate><volume>4</volume><issue>2</issue><spage>126</spage><epage>138</epage><pages>126-138</pages><issn>0742-0463</issn><eissn>1819-7108</eissn><abstract>We studied broadband digital records of the M
W
= 7.6 Olyutorskii earthquake of April 20, 2006 and its aftershocks at local and regional distances. We have made a detailed analysis of data on peak ground motion velocities and accelerations due to aftershocks based on records of two digital seismic stations, Tilichiki (TLC) and Kamenskoe (KAM). The first step in this analysis was to find the station correction for soil effects at TLC station using coda spectra. The correction was applied to the data to convert them to the reference bedrock beneath the Kamenskoe station. The second step involved multiple linear regression to derive average relationshis of peak amplitude to local magnitude M
L
and distance
R
for the Koryak Upland conditions. The data scatter about the average relationshis is comparatively low (0.22–0.25 log units). The acceleration amplitudes for M
L
= 5,
R
= 25 km are lower by factors of 2–3 compared with those for eastern Kamchatka, the western US, or Japan. A likely cause of this anomaly could be lower stress drops for the aftershocks.</abstract><cop>Dordrecht</cop><pub>SP MAIK Nauka/Interperiodica</pub><doi>10.1134/S0742046310020065</doi><tpages>13</tpages></addata></record> |
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| identifier | ISSN: 0742-0463 |
| ispartof | Journal of volcanology and seismology, 2010-04, Vol.4 (2), p.126-138 |
| issn | 0742-0463 1819-7108 |
| language | eng |
| recordid | cdi_proquest_journals_200310512 |
| source | Springer Link |
| subjects | Earth and Environmental Science Earth Sciences Earthquakes Geochemistry Geology Geophysics Geophysics/Geodesy Ground motion Seismic activity Seismology |
| title | The ground motion excited by the Olyutorskii earthquake of April 20, 2006 and by its aftershocks based on digital recordings |
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