2025-08-18T12:09:03.54Z37.6868333333333-122.23416666666713.39manualconfirmedUSGS1.22md1Origin/20250818214824.60291.288265Magnitude/20250818214824.602965.288266USGS8 km WSW of San Leandro, CAregion namenccatalognc75225412contributorID