=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 16-Oct-1991
Several segments of data have questionable levelling
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 03-Jan-1996
There was a magnitude 7.8 earthquake about 20 km offshore of northern Chile on 30 July 1995 which produced a tsunami of 1.3 m at Caldera and which was seen in many records across the Pacific (information from NTF, Australia).
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 17-Jun-1996
Data 1994-95 received directly from auth Servicio de la Armada de Chile
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 14-Nov-1997
1996 data received from the University of Hawaii Sea Level Center. Instrument type:Bristol bubbler (8/1982 - 12/1985);Metercraft bubbler (12/1985 - present);Handar Encoder (12/1985 - present) (backup);NOAA Next Generation Water Level Measuring System (NGWLMS) Aquatrak acoustic gauge (1993-)
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 09-Dec-1997
1994-95 data revised with data received from the UHSLC
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 20-May-1998
The Next Generation gauge is located on the protected side of the pier where it bends to the east.  Top of well is below pier level.  Tide house is located at El Faro lighthouse on Navy Pier.  NB water is heavily polluted.  The standard tide gauge installed in 1941 near CF No. 10 was moved in 1984 to the present site.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 15-Dec-1998
1997 data received from the University of Hawaii Sea Level Center
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 26-Jan-2001
For a review of the new Chilean tide gauge network, see "Tides in the Chilean Coasts" by Juan J. Fierro, Hydro International, Jan/Feb 2001, pp.7-9. Taken as continuos record by TOGA Sea Level Center but many ad hoc datum corrections made to original data.