2026-11-02T09:23:36.44Z37.978668212891-122.0394973754914.979999542236manualconfirmedUSGS2.54md1Origin/20261102092536.729478.177013Magnitude/20261102092536.729553.177014USGS2 km WNW of Concord, CAregion namenccatalognc75461312contributorID