2026-04-07T17:25:11.4Z36.014667510986-120.573165893562.2799999713898manualconfirmedUSGS0.56md1Origin/20260407172720.578613.171263Magnitude/20260407172720.578682.171264USGS18 km NW of Parkfield, CAregion namenccatalognc75340522contributorID