2024-05-19T18:58:19.81Z37.9348335266113-122.0114974975599.5manualconfirmedUSGS1.19md1Origin/20240519190044.825834.95202Magnitude/20240519190044.825887.95203USGS4 km S of Concord, CAregion namenccatalognc75009386contributorID