2025-03-14T13:52:20.04Z37.3443336486816-122.21983337402310.4499998092651manualconfirmedUSGS1.31md1Origin/20250314135420.565214.124593Magnitude/20250314135420.565264.124594USGS5 km S of Portola Valley, CAregion namenccatalognc75148686contributorID