2025-07-28T17:51:43.91Z40.3386650085449-124.9465026855471.63manualconfirmedUSGS2.89md1Origin/20250728175343.511512.66819Magnitude/20250728175343.511564.66820USGS56 km WNW of Petrolia, CAregion namenccatalognc75216237contributorID