2024-05-23T22:53:31.0000Z37.7803344726562-121.975334167487.98000001907349manualconfirmedUSGS1.27md1Origin/20240523225526.65553.125637Magnitude/20240523225526.655579.125638USGS0 km E of San Ramon, CAregion namenccatalognc75011296contributorID