2026-04-11T17:25:58.659Z35.51516667-98.123166677.53manualconfirmedUSGS1.21ml1Origin/20260413174525.194264.235734Magnitude/20260413174525.194325.235735USGS9 km S of Calumet, Oklahomaregion nameokcatalogok2026hcavcontributorID