=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 06-AUG-92 :
Italian levels may be influenced by the Messina earthquake 1908 - see Bottari et al. Tectonophysics 202, 269-275, 1992
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 17-MAR-93 :
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 1998Dec07 :
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.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-JUN-91 :
Napoli(Mandraccio)  250/051 RLR(1921) is 9.5m below BM

