2026-07-15T06:41:53.7Z36.29166667-98.96757.75manualconfirmedUSGS1.4ml1Origin/20260715121719.575639.120210Magnitude/20260715121719.575697.120211USGS9 km NNW of Chester, Oklahomaregion nameokcatalogok2026nsujcontributorID