{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["15(1)"],"submitter":["Das R"],"pubmed_abstract":["This study uses the Das magnitude scale (M<sub>wg</sub>) to improve probabilistic seismic hazard assessment (PSHA) in Northeast India, where traditional M scales introduce inaccuracies for events below M 7.5. The M scale is mathematically flawed in this range, being based on an equation derived for Ms ≲ 7.0-an inconsistency evident in the observed data. Using a unified earthquake catalog of 9,968 events, calibrated to M<sub>wg</sub>, in conjunction with region-specific seismogenic zones and observed-data-validated ground motion models, hazard spectra were derived for 475- and 2475-year return periods. The resulting PSHA indicates maximum peak ground accelerations (PGA) of 0.908 g and 1.5405 g for 10% and 2% exceedance probabilities over 50 years, respectively. Comparative analysis revealed"],"journal":["Scientific reports"],"pagination":["43502"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12695893"],"repository":["biostudies-literature"],"pubmed_title":["Updated probabilistic seismic hazard assessment using M&lt;sub&gt;wg&lt;/sub&gt; (Das magnitude scale) to address moment magnitude (M) scale inaccuracies below 7.5: a case study from Northeast India."],"pmcid":["PMC12695893"],"pubmed_authors":["Choudhury D","Meneses C","Das R","Alam MA","Barrera FG","Das A","Wason HR"],"additional_accession":[]},"is_claimable":false,"name":"Updated probabilistic seismic hazard assessment using M&lt;sub&gt;wg&lt;/sub&gt; (Das magnitude scale) to address moment magnitude (M) scale inaccuracies below 7.5: a case study from Northeast India.","description":"This study uses the Das magnitude scale (M<sub>wg</sub>) to improve probabilistic seismic hazard assessment (PSHA) in Northeast India, where traditional M scales introduce inaccuracies for events below M 7.5. The M scale is mathematically flawed in this range, being based on an equation derived for Ms ≲ 7.0-an inconsistency evident in the observed data. Using a unified earthquake catalog of 9,968 events, calibrated to M<sub>wg</sub>, in conjunction with region-specific seismogenic zones and observed-data-validated ground motion models, hazard spectra were derived for 475- and 2475-year return periods. The resulting PSHA indicates maximum peak ground accelerations (PGA) of 0.908 g and 1.5405 g for 10% and 2% exceedance probabilities over 50 years, respectively. Comparative analysis revealed","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Nov","modification":"2026-06-06T00:22:46.641Z","creation":"2026-05-23T03:14:16.14Z"},"accession":"S-EPMC12695893","cross_references":{"pubmed":["41310325"],"doi":["10.1038/s41598-025-06642-1"]}}