Item talk:Q45295

{

 "USGS Staff Profile": {
   "_id": "https://www.usgs.gov/staff-profiles/jefferson-c-chang",
   "item": "https://geokb.wikibase.cloud/entity/Q45295",
   "last_update": "2024-05-12T00:00:00Z",
   "previous_address": null,
   "qid": "Q45295",
   "retrieved": "2024-05-12T00:00:00Z",
   "schema": {
     "@context": "https://schema.org",
     "@type": "Person",
     "affiliation": [],
     "description": [
       {
         "@type": "TextObject",
         "abstract": "Geophysicist with the Hawaiian Volcano Observatory",
         "additionalType": "short description"
       },
       {
         "@type": "TextObject",
         "abstract": "Jefferson is a Geophysicist with the U.S. Geological Survey\u2014Volcano Hazard Programs, at the Volcano Science Center's Hawaiian Volcano Observatory.",
         "additionalType": "staff profile page introductory statement"
       },
       {
         "@type": "TextObject",
         "abstract": "EducationPh.D. in Geophysics: University of Oklahoma (2017)M.S. in Geology: University of Texas at El Paso (2008)B.S. in Geology: Northern Arizona University (2005)A.A. in Liberal Arts: University of Hawaii\u2014Leeward Community College (2001)AppointmentsGeophysicist: USGS Hawaiian Volcano Observatory (2018-present)Geophysical Operations Manager: Oklahoma Geological Survey (2016-2018)State Seismologist (Interim): Oklahoma Geological Survey (2015-2016)Research Associate: Oklahoma Geological Survey (2014-2015)Field Technician: University of Oklahoma (2008-2012)GIS Analyst: UTEP Regional Geospatial Service Center (2007)Digital Cartographer: Northern Arizona University (2005)Seismic Technician/Analyst: Arizona Earthquake Information Center (2005)",
         "additionalType": "personal statement"
       }
     ],
     "email": "jchang@usgs.gov",
     "hasCredential": [],
     "hasOccupation": [
       {
         "@type": "OrganizationalRole",
         "affiliatedOrganization": {
           "@type": "Organization",
           "name": "Hawaiian Volcano Observatory",
           "url": "https://www.usgs.gov/observatories/hvo"
         },
         "roleName": "Geophysicist",
         "startDate": "2024-05-12T15:16:53.155459"
       }
     ],
     "identifier": [
       {
         "@type": "PropertyValue",
         "propertyID": "GeoKB",
         "value": "https://geokb.wikibase.cloud/entity/Q45295"
       },
       {
         "@type": "PropertyValue",
         "propertyID": "ORCID",
         "value": "0000-0002-1258-589X"
       }
     ],
     "jobTitle": "Geophysicist",
     "knowsAbout": [
       {
         "@type": "Thing",
         "additionalType": "self-claimed expertise",
         "name": "rock mechanics"
       },
       {
         "@type": "Thing",
         "additionalType": "self-claimed expertise",
         "name": "earthquake physics"
       },
       {
         "@type": "Thing",
         "additionalType": "self-claimed expertise",
         "name": "seismology"
       },
       {
         "@type": "Thing",
         "additionalType": "self-claimed expertise",
         "name": "GIS"
       },
       {
         "@type": "Thing",
         "additionalType": "self-claimed expertise",
         "name": "gravity"
       },
       {
         "@type": "Thing",
         "additionalType": "self-claimed expertise",
         "name": "gravity gradiometry"
       },
       {
         "@type": "Thing",
         "additionalType": "self-claimed expertise",
         "name": "field geophysics"
       },
       {
         "@type": "Thing",
         "additionalType": "self-claimed expertise",
         "name": "geologic mapping"
       }
     ],
     "memberOf": {
       "@type": "OrganizationalRole",
       "member": {
         "@type": "Organization",
         "name": "U.S. Geological Survey"
       },
       "name": "staff member",
       "startDate": "2024-05-12T15:16:53.152900"
     },
     "name": "Jefferson C Chang, Ph.D.",
     "url": "https://www.usgs.gov/staff-profiles/jefferson-c-chang"
   },
   "status_code": "200"
 },
 "ORCID": {
   "@context": "http://schema.org",
   "@id": "https://orcid.org/0000-0002-1258-589X",
   "@reverse": {
     "creator": [
       {
         "@id": "https://doi.org/10.1785/0320230020",
         "@type": "CreativeWork",
         "identifier": {
           "@type": "PropertyValue",
           "propertyID": "doi",
           "value": "10.1785/0320230020"
         },
         "name": "Characterizing and Locating Seismic Tremor during the 2022 Eruption of Mauna Loa Volcano, Hawai\u2019i, with Network Covariance"
       },
       {
         "@id": "https://doi.org/10.1038/s41561-019-0440-5",
         "@type": "CreativeWork",
         "identifier": {
           "@type": "PropertyValue",
           "propertyID": "doi",
           "value": "10.1038/s41561-019-0440-5"
         },
         "name": "The susceptibility of Oklahoma\u2019s basement to seismic reactivation"
       },
       {
         "@id": "https://doi.org/10.1126/science.aav7046",
         "@type": "CreativeWork",
         "identifier": {
           "@type": "PropertyValue",
           "propertyID": "doi",
           "value": "10.1126/science.aav7046"
         },
         "name": "The 2018 rift eruption and summit collapse of K\u012blauea Volcano"
       },
       {
         "@id": "https://doi.org/10.1002/2017jb014694",
         "@type": "CreativeWork",
         "identifier": {
           "@type": "PropertyValue",
           "propertyID": "doi",
           "value": "10.1002/2017jb014694"
         },
         "name": "Temporal correlation between seismic moment and injection volume for an induced earthquake sequence in central Oklahoma"
       },
       {
         "@id": "https://doi.org/10.1038/s41598-017-04992-z",
         "@type": "CreativeWork",
         "identifier": {
           "@type": "PropertyValue",
           "propertyID": "doi",
           "value": "10.1038/s41598-017-04992-z"
         },
         "name": "The Pawnee earthquake as a result of the interplay among injection, faults and foreshocks"
       },
       {
         "@id": "https://doi.org/10.1785/0220170007",
         "@type": "CreativeWork",
         "identifier": {
           "@type": "PropertyValue",
           "propertyID": "doi",
           "value": "10.1785/0220170007"
         },
         "name": "Foreshock Seismicity Suggests Gradual Differential Stress Increase in the Months Prior to the 3 September 2016Mw5.8 Pawnee Earthquake"
       },
       {
         "@id": "https://doi.org/10.1785/0220170010",
         "@type": "CreativeWork",
         "identifier": {
           "@type": "PropertyValue",
           "propertyID": "doi",
           "value": "10.1785/0220170010"
         },
         "name": "Surface Deformation of North\u2010Central Oklahoma Related to the 2016Mw\u00a05.8 Pawnee Earthquake from SAR Interferometry Time Series"
       },
       {
         "@id": "https://doi.org/10.1016/j.epsl.2014.09.010",
         "@type": "CreativeWork",
         "identifier": {
           "@type": "PropertyValue",
           "propertyID": "doi",
           "value": "10.1016/j.epsl.2014.09.010"
         },
         "name": "Fault strength evolution during high velocity friction experiments with slip-pulse and constant-velocity loading"
       },
       {
         "@id": "https://doi.org/10.1007/s00024-014-0801-3",
         "@type": "CreativeWork",
         "identifier": {
           "@type": "PropertyValue",
           "propertyID": "doi",
           "value": "10.1007/s00024-014-0801-3"
         },
         "name": "Evolution of Wear and Friction Along Experimental Faults"
       },
       {
         "@id": "https://doi.org/10.1126/science.1221195",
         "@type": "CreativeWork",
         "identifier": {
           "@type": "PropertyValue",
           "propertyID": "doi",
           "value": "10.1126/science.1221195"
         },
         "name": "Rapid Acceleration Leads to Rapid Weakening in Earthquake-Like Laboratory Experiments"
       }
     ]
   },
   "@type": "Person",
   "address": {
     "@type": "PostalAddress",
     "addressCountry": "US"
   },
   "affiliation": {
     "@type": "Organization",
     "identifier": {
       "@type": "PropertyValue",
       "propertyID": "RINGGOLD",
       "value": "124315"
     },
     "name": "US Geological Survey Hawaiian Volcano Observatory"
   },
   "alumniOf": [
     {
       "@type": "Organization",
       "alternateName": "Geological Sciences",
       "identifier": {
         "@type": "PropertyValue",
         "propertyID": "RINGGOLD",
         "value": "12337"
       },
       "name": "University of Texas at El Paso"
     },
     {
       "@type": "Organization",
       "alternateName": "Geology & Geophysics",
       "identifier": {
         "@type": "PropertyValue",
         "propertyID": "RINGGOLD",
         "value": "6187"
       },
       "name": "University of Oklahoma"
     },
     {
       "@type": "Organization",
       "alternateName": "Geology",
       "identifier": {
         "@type": "PropertyValue",
         "propertyID": "RINGGOLD",
         "value": "3356"
       },
       "name": "Northern Arizona University"
     }
   ],
   "familyName": "Chang",
   "givenName": "Jefferson",
   "mainEntityOfPage": "https://orcid.org/0000-0002-1258-589X",
   "name": "Jefferson C. Chang"
 },
 "OpenAlex": {
   "created_date": "2023-07-21",
   "display_name": "J. C. Chang",
   "display_name_alternatives": [
     "Jefferson Castillo Chang",
     "Jefferson C. Chang",
     "Jefferson Chang",
     "J. C. Chang",
     "Jui Chang",
     "Jiahao Chang",
     "Je\u2010Hyung Chang"
   ],
   "ids": {
     "openalex": "https://openalex.org/A5046520839",
     "orcid": "https://orcid.org/0000-0002-1258-589X"
   },
   "last_known_institutions": [
     {
       "country_code": "US",
       "display_name": "Hawaiian Volcano Observatory",
       "id": "https://openalex.org/I4210141838",
       "lineage": [
         "https://openalex.org/I1286329397",
         "https://openalex.org/I1335927249",
         "https://openalex.org/I4210141838",
         "https://openalex.org/I4392021242"
       ],
       "ror": "https://ror.org/04qcn4c26",
       "type": "facility"
     },
     {
       "country_code": "US",
       "display_name": "United States Geological Survey",
       "id": "https://openalex.org/I1286329397",
       "lineage": [
         "https://openalex.org/I1286329397",
         "https://openalex.org/I1335927249"
       ],
       "ror": "https://ror.org/035a68863",
       "type": "government"
     }
   ],
   "orcid": "https://orcid.org/0000-0002-1258-589X",
   "topics": [
     {
       "count": 25,
       "display_name": "Seismicity and Tectonic Plate Interactions",
       "domain": {
         "display_name": "Physical Sciences",
         "id": "https://openalex.org/domains/3"
       },
       "field": {
         "display_name": "Earth and Planetary Sciences",
         "id": "https://openalex.org/fields/19"
       },
       "id": "https://openalex.org/T10110",
       "subfield": {
         "display_name": "Geophysics",
         "id": "https://openalex.org/subfields/1908"
       }
     },
     {
       "count": 16,
       "display_name": "Machine Learning for Earthquake Early Warning Systems",
       "domain": {
         "display_name": "Physical Sciences",
         "id": "https://openalex.org/domains/3"
       },
       "field": {
         "display_name": "Computer Science",
         "id": "https://openalex.org/fields/17"
       },
       "id": "https://openalex.org/T13018",
       "subfield": {
         "display_name": "Artificial Intelligence",
         "id": "https://openalex.org/subfields/1702"
       }
     },
     {
       "count": 14,
       "display_name": "High-Resolution Seismic Noise Tomography",
       "domain": {
         "display_name": "Physical Sciences",
         "id": "https://openalex.org/domains/3"
       },
       "field": {
         "display_name": "Earth and Planetary Sciences",
         "id": "https://openalex.org/fields/19"
       },
       "id": "https://openalex.org/T11757",
       "subfield": {
         "display_name": "Geophysics",
         "id": "https://openalex.org/subfields/1908"
       }
     },
     {
       "count": 13,
       "display_name": "Study of Earthquake Precursor Phenomena",
       "domain": {
         "display_name": "Physical Sciences",
         "id": "https://openalex.org/domains/3"
       },
       "field": {
         "display_name": "Earth and Planetary Sciences",
         "id": "https://openalex.org/fields/19"
       },
       "id": "https://openalex.org/T12424",
       "subfield": {
         "display_name": "Geophysics",
         "id": "https://openalex.org/subfields/1908"
       }
     },
     {
       "count": 8,
       "display_name": "Seismic Waveform Inversion in Geophysics",
       "domain": {
         "display_name": "Physical Sciences",
         "id": "https://openalex.org/domains/3"
       },
       "field": {
         "display_name": "Earth and Planetary Sciences",
         "id": "https://openalex.org/fields/19"
       },
       "id": "https://openalex.org/T10271",
       "subfield": {
         "display_name": "Geophysics",
         "id": "https://openalex.org/subfields/1908"
       }
     },
     {
       "count": 6,
       "display_name": "Tectonic and Geochronological Evolution of Orogens",
       "domain": {
         "display_name": "Physical Sciences",
         "id": "https://openalex.org/domains/3"
       },
       "field": {
         "display_name": "Earth and Planetary Sciences",
         "id": "https://openalex.org/fields/19"
       },
       "id": "https://openalex.org/T10001",
       "subfield": {
         "display_name": "Geophysics",
         "id": "https://openalex.org/subfields/1908"
       }
     },
     {
       "count": 5,
       "display_name": "Mantle Dynamics and Earth's Structure",
       "domain": {
         "display_name": "Physical Sciences",
         "id": "https://openalex.org/domains/3"
       },
       "field": {
         "display_name": "Earth and Planetary Sciences",
         "id": "https://openalex.org/fields/19"
       },
       "id": "https://openalex.org/T10413",
       "subfield": {
         "display_name": "Geophysics",
         "id": "https://openalex.org/subfields/1908"
       }
     },
     {
       "count": 4,
       "display_name": "Landslide Hazards and Risk Assessment",
       "domain": {
         "display_name": "Physical Sciences",
         "id": "https://openalex.org/domains/3"
       },
       "field": {
         "display_name": "Environmental Science",
         "id": "https://openalex.org/fields/23"
       },
       "id": "https://openalex.org/T10535",
       "subfield": {
         "display_name": "Management, Monitoring, Policy and Law",
         "id": "https://openalex.org/subfields/2308"
       }
     },
     {
       "count": 4,
       "display_name": "Geological Modeling and Uncertainty Analysis",
       "domain": {
         "display_name": "Physical Sciences",
         "id": "https://openalex.org/domains/3"
       },
       "field": {
         "display_name": "Earth and Planetary Sciences",
         "id": "https://openalex.org/fields/19"
       },
       "id": "https://openalex.org/T13067",
       "subfield": {
         "display_name": "Geochemistry and Petrology",
         "id": "https://openalex.org/subfields/1906"
       }
     },
     {
       "count": 4,
       "display_name": "Rock Mechanics and Wave Propagation in Geomedia",
       "domain": {
         "display_name": "Physical Sciences",
         "id": "https://openalex.org/domains/3"
       },
       "field": {
         "display_name": "Engineering",
         "id": "https://openalex.org/fields/22"
       },
       "id": "https://openalex.org/T13619",
       "subfield": {
         "display_name": "Mechanics of Materials",
         "id": "https://openalex.org/subfields/2211"
       }
     },
     {
       "count": 3,
       "display_name": "Rotational Seismology and Engineering Applications",
       "domain": {
         "display_name": "Physical Sciences",
         "id": "https://openalex.org/domains/3"
       },
       "field": {
         "display_name": "Engineering",
         "id": "https://openalex.org/fields/22"
       },
       "id": "https://openalex.org/T13885",
       "subfield": {
         "display_name": "Ocean Engineering",
         "id": "https://openalex.org/subfields/2212"
       }
     },
     {
       "count": 3,
       "display_name": "Geological Evolution of South China Sea",
       "domain": {
         "display_name": "Physical Sciences",
         "id": "https://openalex.org/domains/3"
       },
       "field": {
         "display_name": "Earth and Planetary Sciences",
         "id": "https://openalex.org/fields/19"
       },
       "id": "https://openalex.org/T13177",
       "subfield": {
         "display_name": "Geology",
         "id": "https://openalex.org/subfields/1907"
       }
     },
     {
       "count": 3,
       "display_name": "Rock Mechanics and Engineering",
       "domain": {
         "display_name": "Physical Sciences",
         "id": "https://openalex.org/domains/3"
       },
       "field": {
         "display_name": "Engineering",
         "id": "https://openalex.org/fields/22"
       },
       "id": "https://openalex.org/T10161",
       "subfield": {
         "display_name": "Mechanics of Materials",
         "id": "https://openalex.org/subfields/2211"
       }
     },
     {
       "count": 2,
       "display_name": "Dynamics and Faults in Gear Systems",
       "domain": {
         "display_name": "Physical Sciences",
         "id": "https://openalex.org/domains/3"
       },
       "field": {
         "display_name": "Engineering",
         "id": "https://openalex.org/fields/22"
       },
       "id": "https://openalex.org/T11062",
       "subfield": {
         "display_name": "Mechanical Engineering",
         "id": "https://openalex.org/subfields/2210"
       }
     },
     {
       "count": 2,
       "display_name": "Prediction of Tunnel Boring Machine Performance",
       "domain": {
         "display_name": "Physical Sciences",
         "id": "https://openalex.org/domains/3"
       },
       "field": {
         "display_name": "Engineering",
         "id": "https://openalex.org/fields/22"
       },
       "id": "https://openalex.org/T12482",
       "subfield": {
         "display_name": "Civil and Structural Engineering",
         "id": "https://openalex.org/subfields/2205"
       }
     },
     {
       "count": 2,
       "display_name": "Global Sea Level Variability and Change",
       "domain": {
         "display_name": "Physical Sciences",
         "id": "https://openalex.org/domains/3"
       },
       "field": {
         "display_name": "Earth and Planetary Sciences",
         "id": "https://openalex.org/fields/19"
       },
       "id": "https://openalex.org/T11405",
       "subfield": {
         "display_name": "Oceanography",
         "id": "https://openalex.org/subfields/1910"
       }
     },
     {
       "count": 2,
       "display_name": "Finite Element Simulation and Experimental Validation of Fretting Wear",
       "domain": {
         "display_name": "Physical Sciences",
         "id": "https://openalex.org/domains/3"
       },
       "field": {
         "display_name": "Engineering",
         "id": "https://openalex.org/fields/22"
       },
       "id": "https://openalex.org/T12252",
       "subfield": {
         "display_name": "Mechanics of Materials",
         "id": "https://openalex.org/subfields/2211"
       }
     },
     {
       "count": 1,
       "display_name": "Electromagnetic Launch Science and Technology",
       "domain": {
         "display_name": "Physical Sciences",
         "id": "https://openalex.org/domains/3"
       },
       "field": {
         "display_name": "Engineering",
         "id": "https://openalex.org/fields/22"
       },
       "id": "https://openalex.org/T12699",
       "subfield": {
         "display_name": "Aerospace Engineering",
         "id": "https://openalex.org/subfields/2202"
       }
     },
     {
       "count": 1,
       "display_name": "Progressive Collapse of Structures",
       "domain": {
         "display_name": "Physical Sciences",
         "id": "https://openalex.org/domains/3"
       },
       "field": {
         "display_name": "Engineering",
         "id": "https://openalex.org/fields/22"
       },
       "id": "https://openalex.org/T11874",
       "subfield": {
         "display_name": "Civil and Structural Engineering",
         "id": "https://openalex.org/subfields/2205"
       }
     },
     {
       "count": 1,
       "display_name": "Remote Sensing of Soil Moisture",
       "domain": {
         "display_name": "Physical Sciences",
         "id": "https://openalex.org/domains/3"
       },
       "field": {
         "display_name": "Environmental Science",
         "id": "https://openalex.org/fields/23"
       },
       "id": "https://openalex.org/T11312",
       "subfield": {
         "display_name": "Environmental Engineering",
         "id": "https://openalex.org/subfields/2305"
       }
     },
     {
       "count": 1,
       "display_name": "Machine Learning for Mineral Prospectivity Mapping",
       "domain": {
         "display_name": "Physical Sciences",
         "id": "https://openalex.org/domains/3"
       },
       "field": {
         "display_name": "Computer Science",
         "id": "https://openalex.org/fields/17"
       },
       "id": "https://openalex.org/T12157",
       "subfield": {
         "display_name": "Artificial Intelligence",
         "id": "https://openalex.org/subfields/1702"
       }
     },
     {
       "count": 1,
       "display_name": "Exploration and Study of Mars",
       "domain": {
         "display_name": "Physical Sciences",
         "id": "https://openalex.org/domains/3"
       },
       "field": {
         "display_name": "Physics and Astronomy",
         "id": "https://openalex.org/fields/31"
       },
       "id": "https://openalex.org/T10406",
       "subfield": {
         "display_name": "Astronomy and Astrophysics",
         "id": "https://openalex.org/subfields/3103"
       }
     },
     {
       "count": 1,
       "display_name": "Underwater Acoustic Sensor Networks and Communication",
       "domain": {
         "display_name": "Physical Sciences",
         "id": "https://openalex.org/domains/3"
       },
       "field": {
         "display_name": "Engineering",
         "id": "https://openalex.org/fields/22"
       },
       "id": "https://openalex.org/T11192",
       "subfield": {
         "display_name": "Ocean Engineering",
         "id": "https://openalex.org/subfields/2212"
       }
     },
     {
       "count": 1,
       "display_name": "Anaerobic Methane Oxidation and Gas Hydrates",
       "domain": {
         "display_name": "Physical Sciences",
         "id": "https://openalex.org/domains/3"
       },
       "field": {
         "display_name": "Environmental Science",
         "id": "https://openalex.org/fields/23"
       },
       "id": "https://openalex.org/T10995",
       "subfield": {
         "display_name": "Environmental Chemistry",
         "id": "https://openalex.org/subfields/2304"
       }
     },
     {
       "count": 1,
       "display_name": "Mechanical Effects of Plant Roots on Slope Stability",
       "domain": {
         "display_name": "Physical Sciences",
         "id": "https://openalex.org/domains/3"
       },
       "field": {
         "display_name": "Engineering",
         "id": "https://openalex.org/fields/22"
       },
       "id": "https://openalex.org/T12729",
       "subfield": {
         "display_name": "Mechanical Engineering",
         "id": "https://openalex.org/subfields/2210"
       }
     }
   ],
   "updated_date": "2024-05-22T14:24:45.660669"
 }

}