Puerto Rico VQS, SJG, SJP#
The US Coast and Geodetic Survey maintained the earliest magnetic and seismic observatories in the Caribbean. The first seismographs in the region were installed in September 1903 at Fort Isabel Segunda on Vieques. The observatory moved to the island of Puerto Rico at the end of 1924.
Stations#
Location |
Code |
Latitude |
Longitude |
Timespan |
Components |
|---|---|---|---|---|---|
Cayey, Puerto Rico |
SJG |
18.116 |
-65.15 |
1963 |
6 |
San Juan, Puerto Rico |
SJP |
18.3815 |
-66.1179 |
1926-1963 |
3 |
Vieques, Puerto Rico |
VQS |
18.147 |
-65.447 |
1903-1924 |
2 |
See the Seismo Archive website for additional station information.
Instrumentation#
Bosch-Omori (NS, EW)
Wenner (NS, EW)
Benioff (Z)
WWSSN SP & LP
Recording Medium#
smoked paper
photographic paper
microfilm
Data Availability#
SJP: Selected local events from 1930-1932 and 1943-46 are available through IRIS Seismoarchives.
SJG: 1968-1976
no. available |
format |
dpi |
color |
|---|---|---|---|
tiff |
500 ppi |
grayscale |
See also WWSSN.
As part of an IASPEI sponsored program, all magnetic observatory reports with seismic data for VQS have been scanned for the period 1903‐1924 and available through Seismo Archives.
Contact#
For more information about this collection, please contact: < blank >
References#
McCann, William R. Brief History of Seismic Recording in Puerto Rico. http://ds.iris.edu/seismo-archives/stations/puerto_rico/references/seismic-recording_history_Puerto_Rico/seismic-recording_history_Puerto_Rico.pdf
Last accessed 14 January 2022
Seismo Archives. https://ds.iris.edu/seismo-archives/stations/puerto_rico/
Last accessed 14 January 2022