2025-07-20T22:45:00.74Z37.9326667785645-122.3076629638676.21000003814697manualconfirmedUSGS1.73md1Origin/20250720224732.553831.474727Magnitude/20250720224732.553883.474728USGS1 km S of East Richmond Heights, CAregion namenccatalognc75212722contributorID