2025-08-16T18:22:55.47Z38.6948318481445-122.86033630371117.1700000762939manualconfirmedUSGS0.86md1Origin/20250816182525.410381.263376Magnitude/20250816182525.410432.263377USGS9 km NNE of Healdsburg, CAregion namenccatalognc75224672contributorID