Several segments of data have questionable levelling
Documentation added 1996-01-03
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).
Documentation added 1996-06-17
Data 1994-95 received directly from auth Servicio de la Armada de Chile
Documentation added 1997-11-14
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-)
Documentation added 1997-12-09
1994-95 data revised with data received from the UHSLC
Documentation added 1998-05-20
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.
Documentation added 1998-12-15
1997 data received from the University of Hawaii Sea Level Center
Documentation added 2001-01-26
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.
Hydrographic and Oceanographic Service of the Chilean Navy Errazuriz 254 Playa Ancha Valparaiso