2026-09-28T08:59:29.83Z36.035999298096-120.616500854498.3699998855591manualconfirmedUSGS0.51md1Origin/20260928090200.3678.37471Magnitude/20260928090200.367863.37472USGS23 km NW of Parkfield, CAregion namenccatalognc75443727contributorID