2025-09-17T13:49:08.25Z37.1216659545898-121.5223312377933.69000005722046manualconfirmedUSGS1.18md1Origin/20250917135124.374691.575741Magnitude/20250917135124.374747.575742USGS9 km ENE of San Martin, CAregion namenccatalognc75238772contributorID