2025-08-13T11:54:11.0000Z37.8513333333333-122.0513333333337.44manualconfirmedUSGS0.97md1Origin/20250814200818.692162.250063Magnitude/20250814200818.692213.250064USGS2 km WNW of Alamo, CAregion namenccatalognc75222652contributorID