2025-08-20T09:15:31.67851Z51.16578674316406-131.064575195312510manualconfirmedCASS3.132679965869684Mw(MLSn)1Origin/20250821175255.235267.321045Magnitude/20250821175255.235316.321046earthquakeCASSHaida Gwaii Regionregion namecass2025qgtocontributorID