2021-12-29T22:28:34.006Z35.86339569-96.693901062.514314413manualconfirmedUSGS2.11ml1Origin/20211229223407.207857.583406Magnitude/20211229223407.207906.583407USGS11 km WSW of Shamrock, Oklahomaregion nameokcatalogok2021zncpcontributorID