Data and Station Information for ANTOFAGASTA 2

Station Information

Station ID:	510
Latitude:	-23.653056
Longitude:	-70.404444
GLOSS ID:	174
Coastline code:	850
Station code:	12
Country:	CHILE
Time span of data:	1945 – 2024
Completeness (%):	93
Date of last update:	09 Jun 2025

Green Arrow:	Current Station
Yellow Marker:	Neighbouring RLR Station
Red Marker:	Neighbouring Metric Station

Please note: In many cases, the station position in our database is accurate to only one minute. Thus, the tide gauge may not appear to be on the coast.

Tide Gauge Data

Plot of monthly mean sea level data at ANTOFAGASTA 2.

Link to larger image of monthly data plot.
Download monthly mean sea level data.

Plot of annual mean sea level data at ANTOFAGASTA 2.

Link to larger image of annual data plot.
Download annual mean sea level data.

Download metric sea level data. Use only with extreme caution. NOTE: If some of the data are red in the plots above, the 'flag for attention' is set. Please see the documentation below.

Additional Data Sources (guide to additional data sources)

Nearby GNSS Stations from SONEL: UCNF, ANTF
Nearby Real Time Stations from VLIZ: anto, anto2
Fast Delivery Data from UHSLC station 80: hourly and daily
Research Quality Data from UHSLC station 80: hourly and daily

Station Documentation

Link to RLR information.

Documentation added 1991-10-16

Original data aadjusted by TOGA

Documentation added 1993-03-22

Data received from TOGA office Instrument type: standard mechanical (01/1945 - 02/1987),Metercraft bubbler (03/1987+)

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 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 a continous record by TOGA Sea Level Center but many ad-hoc datum corrections made to original data.

Documentation added 2004-10-20

Data for the period 1945-99 were replaced by a new data set received from the supplying authority (SHOA)The revised data are not very different. However there are some changes both to the values and missing day information.

Documentation added 2010-10-25

Following a review of the documentation the suspect station flag was removed.

Data Authority

Hydrographic and Oceanographic Service of the Chilean Navy
Errazuriz 254
Playa Ancha
Valparaiso

Data

Data Notes

Extracted from Database

ANTOFAGASTA 2