Venezuela

Summary

Introduction

Proyecto Caribe is an ongoing experiment to investigate the large scale structure and tectonic framework of the northern boundary of South America. A 74 station, broadband array is currently operational in Venezuela with instruments running from the craton south of the Orinoco to OBS instruments located on oceanic crust of the Caribbean plate. Initial work on seismicity suggests this experiment will improve detection and location of events in the Orinoco basin and southern Venezuela where national network coverage is sparse. Initial measurements of P wave residuals from teleseismic earthquakes indicate a large signal is present. This suggests P wave tomography is likely to yield important insights on the three-dimensional geometry of the Caribbean-South American plate boundary. Finally, initial inspections of data from the experiment suggest there are large variations in the propagation characteristics of regional phases across Venezuela. In particular, we note that high amplitude, impulsive Sn phases are observed in the Maturin Basin, but Lg is not observed there. In contrast, stations on the craton south of the Orinoco River commonly record both Sn and Lg. This indicates a major difference in lower crust and upper mantle structure for the two regions.

Source

Station Map

Station map

Station List: Nanometrics Sites

(table version)

sta   ondate   offdate   lat   lon   elev   staname   statype   refsta   dnorth   deast   
BAUV   2001129   -1   8.9433   -68.0415   0.106   Baul - Cojedes   -   -   0   0   
BIRV   2000253   -1   10.4757   -66.2692   0.2   Birongo - Miranda   -   -   0   0   
CAIV   2002275   -1   7.3262   -66.3216   0.076   Caicara - Bolivar   -   -   0   0   
CAPV   2002226   -1   7.8649   -72.3143   1.178   Capacho - Tachira   -   -   0   0   
CRUV   2001033   -1   10.6165   -63.1842   0.608   Carupano - Sucre   -   -   0   0   
CUNV   1999311   -1   10.1777   -64   0.15   Cumanacoa - Sucre   -   -   0   0   
CUPV   2002296   -1   10.0639   -65.8056   0.634   Cupira - Miranda   -   -   0   0   
CURV   2002171   -1   10.0128   -69.9611   0.75   Curarigua - Lara   -   -   0   0   
DABV   2002107   -1   10.9218   -70.6366   0.22   Dabajuro - Falcon   -   -   0   0   
ELOV   2003001   -1   7   -69.7   0.105      -   -   0   0   
ELOZ   2003001   -1   7   -69.7   0   Elorza   -   -   0   0   
GUIV   2000319   -1   10.6377   -62.2082   0.05   Guiria - Sucre   -   -   0   0   
GUNV   2001047   -1   10.145   -62.9425   0.06   Guanoco - Sucre   -   -   0   0   
GURV   2003001   -1   7.7598   -63.0854   0.199      -   -   0   0   
IMOV   2003001   -1   5.4204   -67.6561   0.081      -   -   0   0   
INTV   2000033   -1   10.4167   -67.3333   1.3   Intevep - Miranda   -   -   0   0   
ITEV   2003001   -1   11.3552   -63.132   0.0013      -   -   0   0   
JACV   2002303   -1   11.0866   -68.8342   0.369   Jacura   -   -   0   0   
LBAV   2002187   -1   11.8216   -64.5977   0.01   La Blanquilla   -   -   0   0   
LMOV   2003001   -1   12.4   -70.8   0   Los Monjes   -   -   0   0   
LTEV   2002191   -1   11.3552   -63.132   0.013   Los Testigos   -   -   0   0   
LUEV   2003001   -1   11.0874   -68.8299   0.349      -   -   0   0   
LUPV   2003001   -1   5.8432   -61.4614   1.406   Luepa - Bolivar   -   -   0   0   
MACV   1999311   -1   10.9767   -64.1782   0.008   Macarao - Nva. Esparta   -   -   0   0   
MERV   2001320   -1   9.2617   -66.2972   0.168   Las Mercedes - Guarico   -   -   0   0   
MONV   2002107   -1   11.955   -69.9705   0.239   Monte Cano - Falcon   -   -   0   0   
ORCV   2003001   -1   11.8124   -66.1937   0.01   La Orchila   -   -   0   0   
ORIV   2002126   -1   9.0696   -63.418   0.102   Oritupano   -   -   0   0   
PARV   2002094   -1   8.9592   -64.7958   0.186   Pariaguan   -   -   0   0   
PAYV   2003001   -1   5.4204   -67.6561   0.083      -   -   0   0   
PCRV   2003001   -1   10.2   -64.6   0   CTBTO - Borehole, Porta La Cruz   -   -   0   0   
PLT   2003001   -1   10.1633   -64.5897   0.395   Pto. La Cruz - Anzoategui   -   -   0   0   
PTAV   2003001   -1   5.4204   -67.6562   0.081   Pto. Ayacucho - Amazonas   -   -   0   0   
QARV   2002085   -1   10.2061   -70.5234   0.548   Qda. Arriba   -   -   0   0   
RIOV   2002310   -1   8.069   -61.8145   0.232   Rio Grande - Bolivar   -   -   0   0   
SANV   2002149   -1   9.501   -69.5365   1.083   Sanarito - Lara   -   -   0   0   
SDV   1995222   -1   8.8863   -70.626   1.58   Santo Domingo - Merida   -   -   0   0   
SIQV   2002150   -1   10.6489   -69.8079   0.4   Siquisique - Falcon   -   -   0   0   
SOCV   2002227   -1   8.2842   -70.8566   0.325   Socopo - Tachira   -   -   0   0   
TERV   2002325   -1   9.9586   -69.2865   1.235   Terepaima - Lara   -   -   0   0   
TEST   2000251   -1   10.4692   -66.8102   0.875   El Llanito - Miranda   -   -   0   0   
TINV   2003001   -1   10.2   -68.2   0   Tinaquillo - Cojedes   -   -   0   0   
TOCV   2003001   -1   7.7598   -63.0851   0.157   Tocomita - Bolivar   -   -   0   0   
TURV   2002318   -1   10.4474   -67.8382   0.2   Turiamo   -   -   0   0   
VIGV   2003001   -1   8.8401   -71.3642   0.43   El Vigia - Merida   -   -   0   0   
VIRV   2001243   -1   10.503   -72.4061   0.148   Villa del Rosario - Zulia   -   -   0   0   

Total: 46

Station List: Secarib Land

(table version)

sta   ondate   offdate   lat   lon   elev   staname   statype   refsta   dnorth   deast   
ABPC   2004009   -1   9.4608   -64.8207   0.1088   Aragua de Barcelona   -   -   0   0   
ARPC   2004008   -1   9.7438   -63.7972   0.2977   Areo   -   -   0   0   
CAPC   2003344   -1   7.3429   -61.8249   0.1777   El Callao   -   -   0   0   
CMPC   2003346   -1   7.6508   -64.0732   0.1456   Cerro El Mono   -   -   0   0   
CUPC   2003337   -1   10.1501   -63.8168   0   Cumanacoa   -   -   0   0   
EDPC   2003345   -1   6.7127   -61.6392   0.1242   El Dorado   -   -   0   0   
FCPC   2003345   -1   9.6502   -66.8342   0.2128   San Francisco de Cara   -   -   0   0   
JMPC   2003348   -1   9.8872   -67.3968   0.4979   San Juan de Los Morros   -   -   0   0   
LAPC   2003346   -1   8.985   -65.7719   0.1627   Socorro   -   -   0   0   
LMPC   2004010   -1   9.3553   -67.3843   0.1459   Hato La Cueva   -   -   0   0   
MAPC   2003342   -1   7.4168   -65.1881   0.0519   Maripa   -   -   0   0   
MIPC   2003338   -1   10.9653   -64.2905   0   Margarita Island   -   -   0   0   
MNPC   2003348   -1   8.9876   -62.7444   0.0451   Mata Negra   -   -   0   0   
MOPC   2003341   -1   6.5861   -66.8426   0.095   Morachalito   -   -   0   0   
MUPC   2003352   -1   8.3274   -64.2946   0.1313   Mucura   -   -   0   0   
PAPC   2003349   -1   8.0344   -62.655   0.4716   El Pao   -   -   0   0   
PFPC   2004012   -1   8.3277   -65.9443   0.1315   Espino   -   -   0   0   
PRPC   2003350   -1   8.5019   -63.625   0.1437   Proforca   -   -   0   0   
ROPC   2003344   -1   9.9092   -66.3847   0.4327   Orocollal   -   -   0   0   
RPPC   2003347   -1   8.9485   -66.4361   0.1619   Rancho Pelao   -   -   0   0   
SIPC   2003348   -1   9.3596   -63.0575   0.0383   Santa Rita   -   -   0   0   
SMPC   2003343   -1   8.5127   -66.3219   0.1197   El Pero   -   -   0   0   
SRPC   2003351   -1   9.5825   -64.2942   0.3208   Santa Rosa   -   -   0   0   
STPC   2003342   -1   8.1365   -66.2544   0.0806   Santa Rita   -   -   0   0   
ULPC   2003357   -1   8.8571   -67.3866   0.1014   Calabozo   -   -   0   0   
VIPC   2003347   -1   7.8605   -62.0655   0.2564   Villa Lola   -   -   0   0   
ZUPC   2004015   -1   8.3597   -65.1951   0.096   Zuata   -   -   0   0   

Total: 27

Station List: Secarib OBS

(table version)

sta   ondate   offdate   lat   lon   elev   staname   statype   refsta   dnorth   deast   
B151   2004076   -1   12.9915   -67.6513   -3.616   Bacardi 151   -   -   0   0   
BLOS   2004082   -1   11.5708   -61.6677   -0.461   Black Orchid Shooter   -   -   0   0   
BTBT   2004082   -1   11.4989   -62.501   -0.129   Bat Bite   -   -   0   0   
DAQI   2004080   -1   13.3198   -63.3092   -3.853   Daquiri   -   -   0   0   
DKSS   2004081   -1   11.7515   -63.7699   -1.117   Devil's Kiss   -   -   0   0   
DRKS   2004082   -1   11.9992   -62.6685   -2.4   Dark and Stormy   -   -   0   0   
MHTO   2004076   -1   13.9497   -66.491   -4.997   Mohito   -   -   0   0   
MTAI   2004080   -1   12.7209   -64.9313   -3.853   Mai Tai   -   -   0   0   
PINA   2004078   -1   10.6796   65.22   -1.103   Pina Colada   -   -   0   0   
PNCH   2004077   -1   11.2493   -66.5009   -0.908   Rum Punch   -   -   0   0   
RRNR   2004079   -1   11.8499   -65.418   -3.997   Rum Runner   -   -   0   0   
SHRB   2004077   -1   11.2707   -67.3496   -1.86   Shrob   -   -   0   0   
SOMB   2004079   -1   12.7492   -66.1883   -4.976   Sombrero   -   -   0   0   
ZOMB   2004081   -1   12.4511   -63.5522   -0.644   Zombie   -   -   0   0   

Total: 14

URL: http://eqinfo.ucsd.edu/deployments/bbarray/venezuela.php [Last updated: 2015-10-22 (295) 23:12:33 UTC]