2026-03-21T07:51:52.899Z35.16633333-98.1571666711.82manualconfirmedUSGS1.49ml1Origin/20260323141632.769014.218600Magnitude/20260323141632.769093.218601USGS9 km ESE of Gracemont, Oklahomaregion nameokcatalogok2026foyicontributorID