SQL> ALTER DATABASE REGISTER PHYSICAL LOGFILE '<filename>';

SQL> select thread#, low_sequence#, high_sequence# from v$archive_gap;
    now rows selected

select sequence#,
       archived,
       applied,
    to_char(completion_time, 'YYYY.MM.DD HH24:MI') as completed
from v$archived_log

    SQL> select max (SEQUENCE#),DEST_ID,APPLIED  from v$archived_log group by DEST_ID,APPLIED ;

    MAX(SEQUENCE#)    DEST_ID APP
    -------------- ---------- ---
             13335         1 NO
             13335         2 NO
             13082         2 YES