2026-08-28T15:45:19.49Z36.170501708984-121.568832397463.3199999332428manualconfirmedUSGS1.04md1Origin/20260828154751.451975.29420Magnitude/20260828154751.452038.29421USGS17 km N of Lopez Point, CAregion namenccatalognc75426347contributorID