{"id":"https://openalex.org/A5029315818","orcid":"https://orcid.org/0000-0002-8858-1641","observed_orcids":["https://orcid.org/0000-0002-8858-1641"],"display_name":"Brian Perttu","raw_author_names":["B. Perttu","Brian Perttu"],"full_name":"Brian Perttu","works_count":7,"cited_by_count":57,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":2,"i10_index":1},"ids":{"openalex":"https://openalex.org/A5029315818","orcid":"https://orcid.org/0000-0002-8858-1641","observed_orcids":["https://orcid.org/0000-0002-8858-1641"]},"affiliations":[{"institution":{"id":"https://openalex.org/I172675005","ror":"https://ror.org/02e7b5302","display_name":"Nanyang Technological University","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]},"years":[2020]},{"institution":{"id":"https://openalex.org/I51158804","ror":"https://ror.org/052czxv31","display_name":"Massey University","country_code":"NZ","type":"education","lineage":["https://openalex.org/I51158804"]},"years":[2023]}],"last_known_institutions":[{"id":"https://openalex.org/I51158804","ror":"https://ror.org/052czxv31","display_name":"Massey University","country_code":"NZ","type":"education","lineage":["https://openalex.org/I51158804"]}],"topics":[{"id":"https://openalex.org/T10110","display_name":"earthquake and tectonic studies","count":5,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13177","display_name":"Geological and Geophysical Studies","count":5,"subfield":{"id":"https://openalex.org/subfields/1907","display_name":"Geology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11757","display_name":"Seismic Waves and Analysis","count":4,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13193","display_name":"Geological Studies and Exploration","count":2,"subfield":{"id":"https://openalex.org/subfields/1907","display_name":"Geology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10001","display_name":"Geological and Geochemical Analysis","count":1,"subfield":{"id":"https://openalex.org/subfields/1906","display_name":"Geochemistry and Petrology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T11757","display_name":"Seismic Waves and Analysis","value":1.52e-05,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10110","display_name":"earthquake and tectonic studies","value":1.18e-05,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13177","display_name":"Geological and Geophysical Studies","value":7.7e-06,"subfield":{"id":"https://openalex.org/subfields/1907","display_name":"Geology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13067","display_name":"Geological Modeling and Analysis","value":5.2e-06,"subfield":{"id":"https://openalex.org/subfields/1907","display_name":"Geology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13193","display_name":"Geological Studies and Exploration","value":3.7e-06,"subfield":{"id":"https://openalex.org/subfields/1907","display_name":"Geology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","score":0.7880843877792358},{"id":"165205528","wikidata":"https://www.wikidata.org/wiki/Q83371","display_name":"Seismology","score":0.6988716125488281},{"id":"205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","score":0.3076319694519043},{"id":"111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","score":0.2977067828178406},{"id":"127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","score":0.22068291902542114}],"counts_by_year":[{"year":2010,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2013,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2018,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2019,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2020,"works_count":1,"oa_works_count":1,"cited_by_count":4},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":9},{"year":2023,"works_count":1,"oa_works_count":1,"cited_by_count":6},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":13},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":10},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":7}],"display_name_alternatives":["B. Perttu","Brian Perttu"],"block_key":"b perttu","works_api_url":"https://api.openalex.org/works?filter=author.id:A5029315818","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5029315818","updated_date":"2026-11-08T12:57:04","created_date":"2017-03-16T00:00:00"}