i have never tried the options listed but i think the below command should
meet your requirements
Router(config)#logg con ?
  <0-7>          Logging severity level
  alerts         Immediate action needed           (severity=1)
  critical       Critical conditions               (severity=2)
  debugging      Debugging messages                (severity=7)
  discriminator  Establish MD-Console association
  emergencies    System is unusable                (severity=0)
  errors         Error conditions                  (severity=3)
  filtered       Enable filtered logging
  guaranteed     Guarantee console messages
  informational  Informational messages            (severity=6)
  notifications  Normal but significant conditions (severity=5)
  warnings       Warning conditions                (severity=4)
  xml            Enable logging in XML
  <cr>
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Received on Thu Apr 16 2009 - 22:08:49 ART
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