Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2002841980', 'doi': 'https://doi.org/10.1016/0040-1951(90)90063-e', 'title': 'A detailed analysis of the Strazhitza (Bulgaria) seismic sequences of 1986: location, focal mechanism and regional stress tensor', 'display_name': 'A detailed analysis of the Strazhitza (Bulgaria) seismic sequences of 1986: location, focal mechanism and regional stress tensor', 'publication_year': 1990, 'publication_date': '1990-01-01', 'ids': {'openalex': 'https://openalex.org/W2002841980', 'doi': 'https://doi.org/10.1016/0040-1951(90)90063-e', 'mag': '2002841980'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/0040-1951(90)90063-e', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S195250905', 'display_name': 'Tectonophysics', 'issn_l': '0040-1951', 'issn': ['0040-1951', '1879-3266'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5110903350', 'display_name': 'Mihnea Corneliu Oncescu', 'orcid': None}, 'institutions': [], 'countries': ['RO'], 'is_corresponding': False, 'raw_author_name': 'M.C. Oncescu', 'raw_affiliation_strings': ['Center of Earth Physics and Seismology, P.O. Box MG-2, Bucharest-MagureleRomania'], 'affiliations': [{'raw_affiliation_string': 'Center of Earth Physics and Seismology, P.O. Box MG-2, Bucharest-MagureleRomania', 'institution_ids': []}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5113607748', 'display_name': 'Cezar‐Ioan Trifu', 'orcid': None}, 'institutions': [], 'countries': ['RO'], 'is_corresponding': False, 'raw_author_name': 'C.I. Trifu', 'raw_affiliation_strings': ['Center of Earth Physics and Seismology, P.O. Box MG-2, Bucharest-MagureleRomania'], 'affiliations': [{'raw_affiliation_string': 'Center of Earth Physics and Seismology, P.O. Box MG-2, Bucharest-MagureleRomania', 'institution_ids': []}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5023965942', 'display_name': 'Tania Hristova', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I24768866', 'display_name': 'Bulgarian Academy of Sciences', 'ror': 'https://ror.org/01x8hew03', 'country_code': 'BG', 'type': 'government', 'lineage': ['https://openalex.org/I24768866']}, {'id': 'https://openalex.org/I4210143968', 'display_name': 'Geophysical Division of the Earth Science Institute of the Slovak Academy of Sciences', 'ror': 'https://ror.org/04bzszh50', 'country_code': 'SK', 'type': 'facility', 'lineage': ['https://openalex.org/I207624831', 'https://openalex.org/I4210102573', 'https://openalex.org/I4210143968']}], 'countries': ['BG', 'SK'], 'is_corresponding': False, 'raw_author_name': 'T. Hristova', 'raw_affiliation_strings': ['Geophysical Institute, Bulgarian Academy of Sciences, 1113 SofiaBulgaria'], 'affiliations': [{'raw_affiliation_string': 'Geophysical Institute, Bulgarian Academy of Sciences, 1113 SofiaBulgaria', 'institution_ids': ['https://openalex.org/I24768866', 'https://openalex.org/I4210143968']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5077475198', 'display_name': 'Stela Simeonova', 'orcid': 'https://orcid.org/0000-0001-8528-8709'}, 'institutions': [{'id': 'https://openalex.org/I24768866', 'display_name': 'Bulgarian Academy of Sciences', 'ror': 'https://ror.org/01x8hew03', 'country_code': 'BG', 'type': 'government', 'lineage': ['https://openalex.org/I24768866']}, {'id': 'https://openalex.org/I4210143968', 'display_name': 'Geophysical Division of the Earth Science Institute of the Slovak Academy of Sciences', 'ror': 'https://ror.org/04bzszh50', 'country_code': 'SK', 'type': 'facility', 'lineage': ['https://openalex.org/I207624831', 'https://openalex.org/I4210102573', 'https://openalex.org/I4210143968']}], 'countries': ['BG', 'SK'], 'is_corresponding': False, 'raw_author_name': 'S. Simeonova', 'raw_affiliation_strings': ['Geophysical Institute, Bulgarian Academy of Sciences, 1113 SofiaBulgaria'], 'affiliations': [{'raw_affiliation_string': 'Geophysical Institute, Bulgarian Academy of Sciences, 1113 SofiaBulgaria', 'institution_ids': ['https://openalex.org/I24768866', 'https://openalex.org/I4210143968']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5083687609', 'display_name': 'Dimcho Solakov', 'orcid': 'https://orcid.org/0000-0003-4148-0525'}, 'institutions': [{'id': 'https://openalex.org/I24768866', 'display_name': 'Bulgarian Academy of Sciences', 'ror': 'https://ror.org/01x8hew03', 'country_code': 'BG', 'type': 'government', 'lineage': ['https://openalex.org/I24768866']}, {'id': 'https://openalex.org/I4210143968', 'display_name': 'Geophysical Division of the Earth Science Institute of the Slovak Academy of Sciences', 'ror': 'https://ror.org/04bzszh50', 'country_code': 'SK', 'type': 'facility', 'lineage': ['https://openalex.org/I207624831', 'https://openalex.org/I4210102573', 'https://openalex.org/I4210143968']}], 'countries': ['BG', 'SK'], 'is_corresponding': False, 'raw_author_name': 'D. Solakov', 'raw_affiliation_strings': ['Geophysical Institute, Bulgarian Academy of Sciences, 1113 SofiaBulgaria'], 'affiliations': [{'raw_affiliation_string': 'Geophysical Institute, Bulgarian Academy of Sciences, 1113 SofiaBulgaria', 'institution_ids': ['https://openalex.org/I24768866', 'https://openalex.org/I4210143968']}]}], 'institution_assertions': [], 'countries_distinct_count': 3, 'institutions_distinct_count': 2, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 3100, 'currency': 'USD', 'value_usd': 3100, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 0.271, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 7, 'citation_normalized_percentile': {'value': 0.488203, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 75, 'max': 76}, 'biblio': {'volume': '172', 'issue': '1-2', 'first_page': '121', 'last_page': '134'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10110', 'display_name': 'earthquake and tectonic studies', 'score': 0.9999, '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'}}, 'topics': [{'id': 'https://openalex.org/T10110', 'display_name': 'earthquake and tectonic studies', 'score': 0.9999, '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/T10001', 'display_name': 'Geological and Geochemical Analysis', 'score': 0.9991, '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/T10413', 'display_name': 'High-pressure geophysics and materials', 'score': 0.9991, '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'}}], 'keywords': [{'id': 'https://openalex.org/keywords/focal-mechanism', 'display_name': 'Focal mechanism', 'score': 0.8661537}, {'id': 'https://openalex.org/keywords/hypocenter', 'display_name': 'Hypocenter', 'score': 0.7437664}], 'concepts': [{'id': 'https://openalex.org/C97490223', 'wikidata': 'https://www.wikidata.org/wiki/Q1609712', 'display_name': 'Focal mechanism', 'level': 3, 'score': 0.8661537}, {'id': 'https://openalex.org/C127313418', 'wikidata': 'https://www.wikidata.org/wiki/Q1069', 'display_name': 'Geology', 'level': 0, 'score': 0.830757}, {'id': 'https://openalex.org/C111357193', 'wikidata': 'https://www.wikidata.org/wiki/Q107410', 'display_name': 'Hypocenter', 'level': 3, 'score': 0.7437664}, {'id': 'https://openalex.org/C165205528', 'wikidata': 'https://www.wikidata.org/wiki/Q83371', 'display_name': 'Seismology', 'level': 1, 'score': 0.7379328}, {'id': 'https://openalex.org/C175551986', 'wikidata': 'https://www.wikidata.org/wiki/Q47089', 'display_name': 'Fault (geology)', 'level': 2, 'score': 0.5933875}, {'id': 'https://openalex.org/C2781300812', 'wikidata': 'https://www.wikidata.org/wiki/Q178061', 'display_name': 'Shock (circulatory)', 'level': 2, 'score': 0.48265964}, {'id': 'https://openalex.org/C18555067', 'wikidata': 'https://www.wikidata.org/wiki/Q8375051', 'display_name': 'Joint (building)', 'level': 2, 'score': 0.4335055}, {'id': 'https://openalex.org/C156801008', 'wikidata': 'https://www.wikidata.org/wiki/Q308442', 'display_name': 'Aftershock', 'level': 2, 'score': 0.4137191}, {'id': 'https://openalex.org/C83176761', 'wikidata': 'https://www.wikidata.org/wiki/Q1394636', 'display_name': 'Induced seismicity', 'level': 2, 'score': 0.23498404}, {'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C170154142', 'wikidata': 'https://www.wikidata.org/wiki/Q150737', 'display_name': 'Architectural engineering', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C127413603', 'wikidata': 'https://www.wikidata.org/wiki/Q11023', 'display_name': 'Engineering', 'level': 0, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/0040-1951(90)90063-e', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S195250905', 'display_name': 'Tectonophysics', 'issn_l': '0040-1951', 'issn': ['0040-1951', '1879-3266'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'score': 0.54, 'display_name': 'Life below water', 'id': 'https://metadata.un.org/sdg/14'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 13, 'referenced_works': ['https://openalex.org/W1568554706', 'https://openalex.org/W1842353592', 'https://openalex.org/W2016013984', 'https://openalex.org/W2035131506', 'https://openalex.org/W2105658614', 'https://openalex.org/W2128251347', 'https://openalex.org/W2292278295', 'https://openalex.org/W2565373472', 'https://openalex.org/W2895028706', 'https://openalex.org/W2955378710', 'https://openalex.org/W2982038824', 'https://openalex.org/W3007591294', 'https://openalex.org/W4285719527'], 'related_works': ['https://openalex.org/W3141701129', 'https://openalex.org/W2989795530', 'https://openalex.org/W2883390087', 'https://openalex.org/W2801052325', 'https://openalex.org/W2614537659', 'https://openalex.org/W2605702037', 'https://openalex.org/W2109919421', 'https://openalex.org/W2029637037', 'https://openalex.org/W2023315425', 'https://openalex.org/W1499300452'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2002841980', 'counts_by_year': [{'year': 2021, 'cited_by_count': 1}], 'updated_date': '2024-12-16T00:47:28.010000', 'created_date': '2016-06-24'}