2026-03-15T22:18:58.24Z35.959999084473-120.5138320922810.170000076294manualconfirmedUSGS1.61md1Origin/20260315222053.608334.125818Magnitude/20260315222053.608418.125819USGS10 km NW of Parkfield, CAregion namenccatalognc75327892contributorID