2025-10-16T09:09:09.14Z37.3305015563965-122.2158355712898.77000045776367manualconfirmedUSGS1.35md1Origin/20251016091108.075656.17882Magnitude/20251016091108.075705.17883USGS6 km SSE of Portola Valley, CAregion namenccatalognc75250076contributorID