2026-05-18T04:24:55.35Z36.036666870117-120.598503112794.0500001907349manualconfirmedUSGS0.7md1Origin/20260518042716.913682.56819Magnitude/20260518042716.913742.56820USGS21 km NW of Parkfield, CAregion namenccatalognc75362076contributorID