2025-02-16T08:12:08.95Z37.4005012512207-121.6576690673836.75manualconfirmedUSGS0.87md1Origin/20250216081441.369427.150707Magnitude/20250216081441.369477.150708USGS15 km E of Alum Rock, CAregion namenccatalognc75134497contributorID