Item talk:Q314401

From geokb

{

 "USGS Publications Warehouse": {
   "@context": "https://schema.org",
   "@type": "Article",
   "additionalType": "Journal Article",
   "name": "Prodigious submarine landslides on the Hawaiian Ridge",
   "identifier": [
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       "propertyID": "USGS Publications Warehouse IndexID",
       "value": "70200480",
       "url": "https://pubs.usgs.gov/publication/70200480"
     },
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       "propertyID": "USGS Publications Warehouse Internal ID",
       "value": 70200480
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       "propertyID": "DOI",
       "value": "10.1029/JB094iB12p17465",
       "url": "https://doi.org/10.1029/JB094iB12p17465"
     }
   ],
   "journal": {
     "@type": "Periodical",
     "name": "Journal of Geophysical Research B: Solid Earth",
     "volumeNumber": "94",
     "issueNumber": "B12"
   },
   "inLanguage": "en",
   "isPartOf": [
     {
       "@type": "CreativeWorkSeries",
       "name": "Journal of Geophysical Research B: Solid Earth"
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   "datePublished": "1989",
   "dateModified": "2018-10-19",
   "abstract": "The extensive area covered by major submarine mass wasting deposits on or near the Hawaiian Ridge has been delimited by systematic mapping of the Hawaiian exclusive economic zone using the side\u2010looking sonar system GLORIA. These surveys show that slumps and debris avalanche deposits are exposed over about 100,000 km2\u00a0of the ridge and adjacent seafloor from Kauai to Hawaii, covering an area more than 5 times the land area of the islands. Some of the individual debris avalanches are more than 200 km long and about 5000 km3\u00a0in volume, ranking them among the largest on Earth. The slope failures that produce these deposits begin early in the history of individual volcanoes when they are small submarine seamounts, culminate near the end of subaerial shield building, and apparently continue long after dormancy. Consequently, landslide debris is an important element in the internal structure of the volcanoes. The dynamic behavior of the volcanoes can be modulated by slope failure, and the structural features of the landslides are related to elements of the volcanoes including rift zones and fault systems. The landslides are of two general types, slumps and debris avalanches. The slumps are slow moving, wide (up to 110 km), and thick (about 10 km) with transverse blocky ridges and steep toes. The debris avalanches are fast moving, long (up to 230 km) compared to width, and thinner (0.05\u20132 km); they commonly have a well\u2010defined amphitheater at their head and hummocky terrain in the lower part. Oceanic disturbance caused by rapid emplacement of debris avalanches may have produced high\u2010level wave deposits (such as the 365\u2010m elevation Hulopoe Gravel on Lanai) that are found on several islands. Most present\u2010day submarine canyons were originally carved subaerially in the upper parts of debris avalanches. Subaerial canyon cutting was apparently promoted by the recently steepened and stripped slopes of the landslide amphitheaters.",
   "description": "20 p.",
   "publisher": {
     "@type": "Organization",
     "name": "AGU"
   },
   "author": [
     {
       "@type": "Person",
       "name": "Moore, James G. jmoore@usgs.gov",
       "givenName": "James G.",
       "familyName": "Moore",
       "email": "jmoore@usgs.gov",
       "identifier": {
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         "propertyID": "ORCID",
         "value": "0000-0002-7543-2401",
         "url": "https://orcid.org/0000-0002-7543-2401"
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       "affiliation": [
         {
           "@type": "Organization",
           "name": "Alaska Science Center",
           "url": "https://www.usgs.gov/centers/alaska-science-center"
         },
         {
           "@type": "Organization",
           "name": "Volcano Science Center",
           "url": "https://www.usgs.gov/centers/volcano-science-center"
         }
       ]
     },
     {
       "@type": "Person",
       "name": "Clague, David A.",
       "givenName": "David A.",
       "familyName": "Clague"
     },
     {
       "@type": "Person",
       "name": "Holcomb, R. T.",
       "givenName": "R. T.",
       "familyName": "Holcomb"
     },
     {
       "@type": "Person",
       "name": "Lipman, Peter W. plipman@usgs.gov",
       "givenName": "Peter W.",
       "familyName": "Lipman",
       "email": "plipman@usgs.gov",
       "identifier": {
         "@type": "PropertyValue",
         "propertyID": "ORCID",
         "value": "0000-0001-9175-6118",
         "url": "https://orcid.org/0000-0001-9175-6118"
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       "affiliation": [
         {
           "@type": "Organization",
           "name": "Volcano Science Center",
           "url": "https://www.usgs.gov/centers/volcano-science-center"
         },
         {
           "@type": "Organization",
           "name": "Pacific Regional Director's Office",
           "url": "https://www.usgs.gov/regions/southwest"
         }
       ]
     },
     {
       "@type": "Person",
       "name": "Normark, William R.",
       "givenName": "William R.",
       "familyName": "Normark"
     },
     {
       "@type": "Person",
       "name": "Torresan, Michael E. mtorresan@usgs.gov",
       "givenName": "Michael E.",
       "familyName": "Torresan",
       "email": "mtorresan@usgs.gov"
     }
   ],
   "funder": [
     {
       "@type": "Organization",
       "name": "Pacific Coastal and Marine Science Center",
       "url": "https://www.usgs.gov/centers/pacific-coastal-and-marine-science-center"
     }
   ],
   "spatialCoverage": [
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       "@type": "Place",
       "additionalType": "unknown",
       "name": "Hawaiian Ridge"
     },
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