=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-Jun-1991
Porto Maurizio      250/001 RLR(1921) is 7.6m below BM
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 06-Aug-1992
Italian levels may be influenced by the Messina earthquake of 1908 - See Bottari et al. Tectonophysics , 202, 269-275, 1992
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 17-Mar-1993
The stations Porto Maurizio (250/001), Napoli Arsenale (250/041)and Napoli Mandraccio (250/051) appear to each have a datum shift around 1910. Evidence for regional coherence?
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 07-Dec-1998
For a discussion of land movements in the area of the Gulf of Naples,see the paper by G.Berrino in Tectonophysics,294,323-332,1998. NO BM INFORMATION BUT DATA SEEMS HOMOGENEOUS