2026-04-14T16:54:45.65Z37.356498718262-121.714668273936.9200000762939manualconfirmedUSGS1.23md1Origin/20260414165627.16234.248062Magnitude/20260414165627.162403.248063USGS10 km E of Alum Rock, CAregion namenccatalognc75344522contributorID