2025-03-27T15:38:16.19Z37.3568344116211-121.7168350219736.09000015258789manualconfirmedUSGS2.55md1Origin/20250327154201.135982.26656Magnitude/20250327154201.136034.26657USGS10 km ESE of Alum Rock, CAregion namenccatalognc75156227contributorID