2025-12-23T00:25:06.28Z37.7503318786621-121.9378356933598.22000026702881manualconfirmedUSGS2.13md1Origin/20251223002846.97409.29695Magnitude/20251223002846.974143.29696USGS5 km SE of San Ramon, CAregion namenccatalognc75285006contributorID