Triggering Mechanisms of Slope Instability and their Relationship to Earthquakes and Tsunamis
Submarine and shoreline slope failures that accompany large earthquakes and large tsunamis are triggered by several mechanisms. Triggering mechanisms range from direct effects, such as intertial forces from earthquake shaking, to indirect effects, such as rapid drawdown that occurs when an earthquak...
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| Veröffentlicht in: | Pure and applied geophysics 2003-10, Vol.160 (10-11), p.1865-1877 |
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| creator | Wright, S G Rathje, E M |
| description | Submarine and shoreline slope failures that accompany large earthquakes and large tsunamis are triggered by several mechanisms. Triggering mechanisms range from direct effects, such as intertial forces from earthquake shaking, to indirect effects, such as rapid drawdown that occurs when an earthquake-generated tsunami first approaches a shoreline. Soil shear strength also plays an important role in earthquake-related slope failures. Earthquakes change the shear strength of the soil by inducing excess pore water pressures. These excess pore water pressures change with time after the earthquake, resulting in changes in shear strength and slope stability with time. This paper reviews earthquake-related triggering mechanisms for submarine and shoreline slope failures. The variation in shear strength with time following an earthquake is examined and it is shown that delayed slope failures after an earthquake can occur as a result of changes in earthquake-induced excess pore water pressures and shear strength with time. |
| doi_str_mv | 10.1007/s00024-003-2410-4 |
| format | Article |
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Triggering mechanisms range from direct effects, such as intertial forces from earthquake shaking, to indirect effects, such as rapid drawdown that occurs when an earthquake-generated tsunami first approaches a shoreline. Soil shear strength also plays an important role in earthquake-related slope failures. Earthquakes change the shear strength of the soil by inducing excess pore water pressures. These excess pore water pressures change with time after the earthquake, resulting in changes in shear strength and slope stability with time. This paper reviews earthquake-related triggering mechanisms for submarine and shoreline slope failures. The variation in shear strength with time following an earthquake is examined and it is shown that delayed slope failures after an earthquake can occur as a result of changes in earthquake-induced excess pore water pressures and shear strength with time.</description><identifier>ISSN: 0033-4553</identifier><identifier>EISSN: 1420-9136</identifier><identifier>DOI: 10.1007/s00024-003-2410-4</identifier><language>eng</language><publisher>Basel: Springer Nature B.V</publisher><subject>Drawdown ; Earthquakes ; Failure ; Marine ; Pore water ; Porosity ; Seismic activity ; Seismic phenomena ; Shear strength ; Shorelines ; Slope stability ; Soil strength ; Tsunamis ; Water pressure</subject><ispartof>Pure and applied geophysics, 2003-10, Vol.160 (10-11), p.1865-1877</ispartof><rights>Birkhäuser Verlag, Basel, 2003</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a389t-5e50331a7280275f86670b34acee0492da87ffdb9994fe42b7b9c1a67e0317c03</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Wright, S G</creatorcontrib><creatorcontrib>Rathje, E M</creatorcontrib><title>Triggering Mechanisms of Slope Instability and their Relationship to Earthquakes and Tsunamis</title><title>Pure and applied geophysics</title><description>Submarine and shoreline slope failures that accompany large earthquakes and large tsunamis are triggered by several mechanisms. 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The variation in shear strength with time following an earthquake is examined and it is shown that delayed slope failures after an earthquake can occur as a result of changes in earthquake-induced excess pore water pressures and shear strength with time.</description><subject>Drawdown</subject><subject>Earthquakes</subject><subject>Failure</subject><subject>Marine</subject><subject>Pore water</subject><subject>Porosity</subject><subject>Seismic activity</subject><subject>Seismic phenomena</subject><subject>Shear strength</subject><subject>Shorelines</subject><subject>Slope stability</subject><subject>Soil strength</subject><subject>Tsunamis</subject><subject>Water pressure</subject><issn>0033-4553</issn><issn>1420-9136</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp90btOwzAUBmALgUQpPACbxQAsgeNbHI-oKlCpCAnKiCwndRqXNEntZOjb41ImBqYznE_noh-hSwJ3BEDeBwCgPAFgCeUEEn6ERoRTSBRh6TEaxQZLuBDsFJ2FsAYgUgo1Qp8L71Yr612zwi-2qEzjwibgtsTvddtZPGtCb3JXu36HTbPEfWWdx2-2Nr1rm1C5DvctnhrfV9vBfNnwoxZhaMzGhXN0Upo62IvfOkYfj9PF5DmZvz7NJg_zxLBM9YmwIp5HjKQZUCnKLE0l5Iybwlrgii5NJstymSuleGk5zWWuCmJSaYERWQAbo5vD3M6328GGXsflha1r09h2CDoj8fOMpiLK638lkXF1mrIIb_-HghIOVEEW6dUfum4H38SHtRSZojRlNCJyQIVvQ_C21J13G-N3moDeR6gPEeqYlN5HqDn7BmaRjZg</recordid><startdate>20031001</startdate><enddate>20031001</enddate><creator>Wright, S G</creator><creator>Rathje, E M</creator><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7TG</scope><scope>7UA</scope><scope>7XB</scope><scope>88I</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>GNUQQ</scope><scope>H8D</scope><scope>H96</scope><scope>HCIFZ</scope><scope>KL.</scope><scope>L.G</scope><scope>L7M</scope><scope>M2P</scope><scope>P5Z</scope><scope>P62</scope><scope>PATMY</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PYCSY</scope><scope>Q9U</scope><scope>7SM</scope><scope>FR3</scope><scope>KR7</scope></search><sort><creationdate>20031001</creationdate><title>Triggering Mechanisms of Slope Instability and their Relationship to Earthquakes and Tsunamis</title><author>Wright, S G ; 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Triggering mechanisms range from direct effects, such as intertial forces from earthquake shaking, to indirect effects, such as rapid drawdown that occurs when an earthquake-generated tsunami first approaches a shoreline. Soil shear strength also plays an important role in earthquake-related slope failures. Earthquakes change the shear strength of the soil by inducing excess pore water pressures. These excess pore water pressures change with time after the earthquake, resulting in changes in shear strength and slope stability with time. This paper reviews earthquake-related triggering mechanisms for submarine and shoreline slope failures. 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| source | Springer Nature - Complete Springer Journals |
| subjects | Drawdown Earthquakes Failure Marine Pore water Porosity Seismic activity Seismic phenomena Shear strength Shorelines Slope stability Soil strength Tsunamis Water pressure |
| title | Triggering Mechanisms of Slope Instability and their Relationship to Earthquakes and Tsunamis |
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