1. Staff and Students UNIVERSITY OF PUERTO RICO MAYAGUEZ CAMPUS GEOLOGY DEPARTMENT Mayaguez, Puerto Rico June 26, 2014

2. PRSN M ISSION The mission of the Puerto Rico Seismic Network (PRSN) is to monitor and rapidly determine the location and size of all earthquakes and support NTWC to determine the Tsunami alert level in the Area of Responsibility (AOR) and to immediately disseminate this information to concerned agencies, scientists, and the general public. The PRSN compiles and maintains an extensive seismic database of earthquake parameters, continuous waveforms (earthquakes, GPS and sea level) and their effects which serve as a solid foundation for basic and applied earth science/oceanography research in Puerto Rico and the Caribbean.

3. PRSN H ISTORY 1903 - First seismic station in Vieques, Fuerte el Conde 1972 - First short period instrument installed in the UPRM 1974 - The USGS installed a short period network for the PR EPA (Electrical Power Authority) 1982 - The EPA transfer the network to the Centro para la Investigación de Energía y Ambiente 1987 - The network is transferred to the UPRM – Geology 1991 - The IASPEI and Soufrier digital systems replace the Lamont-Doherty Intel 1997 - Network data acquisition system was moved from Cayey to Mayaguez, 1999 - First broadband instruments were installed in PR, 2003 - BroadBand data included into the daily process, 2006 - Tsunami ready tide gauges installed in PR, 2007 - 24/7 hours operation, 2008 - GPS network installed 2015 - Infrastructure upgrade

4. MONITORING, DETECTION, ANALYSIS, DISEMINATION AND ARCHIVE INSTRUMENTATION EDUCATION AND OUTREACH IT RESEARCH ADMINISTRATION

5. -The Caribbean plate is bounded by the North America plate to the north, and the South America plate to the south. To the west, the Cocos plate subducts beneath the Caribbean. Linear velocities can be predicted using: -CA-NA Euler vector: 75.2°N -177.4°E, 0.250 °/Myr -CA-SA Euler vector: 57.6°N -69.3°E, 0.233 °/Myr López et. al. (2006) Caribbean plate tectonics:

6. 1564 1787 1670 1943 2007 1974 1843 1946 1770 1918 1867 1969 2010 1751 R EGIONAL T ECTONIC S ETTING 1690 M > 7 Year Casualties Earthquake Tsunami 1842: 300 ?? 1867: 17 ?? 1918: 40 100+ 1946: 1790 1000+ 2010 : 250000 4 1842

7. PUERTO RICO AND VIRGIN ISLANDS THE HISPANIOLA ARUBA PR Network PR Partnership Tide Gauges GPS Ground Motion Tide Gauges GPS Ground Motion

8. IU: IRIS/USGS II : IRIS/IDA CU: USGS Caribbean PR: PRSN/PRSM, Puerto Rico UA: Aruba Meteorological Agency G : Geoscope WI: Frech West Indies GE: Geofone GT: Global Telemetered Seismic Network MV: Montserrat Volcano Observatory NA: KMNI Antilles DR: ISU Dominican Republic, UT Baylor UC: Colima University, Mexico US: United States Seismic Network SV: SNET, El Salvador NU: INETER, Nicaragua OV: OVSICORI, Costa Rica PA: Volcan Baru Network, Panama TR: West Indies Seismic Research Center CM: Colombian National Seismological Network CN: Canadian Seismic Network (Haiti) BL : Brazil Seismic Network MG: National Seismological Service of Mexico CY: Cayman Island VE: FUNVISIS, Venezuela JM: Jamaica AY: Haiti Seismic Network GI: INSIVUMEH, Guatemala CW: National Seismological Service of Cuba ----------------------------------- INTERNET CARIBE EWS VIRTUAL SEISMIC NETWORK CARIBE EWS VIRTUAL SEA LEVEL NETWORK MS : Member States PRSN : Puerto Rico Seismic Network UHSLC : University of Hawaii/Seismic Level Center NOAA/NOS : US National Oceanographic Service ------------------------------------------------------ GOES NOAAport

9. CARIBE EWS VIRTUAL GPS NETWORK MS : Member States PRSN : Puerto Rico Seismic Network UNAVCO/PBO UNAVCO/COCONet ------------------------------------------------------ Internet/Caster CARIBE EWS COMMUNICATION NETWORK MS : Member States (Regional Networks) NOAA/NTWC NOAA/PTWC DMC IRIS/IDA USGS/ASL USGS/NEIC UNAVCO NOAA/Wallops ISC PRSN ------------------------------------------------------ Internet & Dedicated Lines GOES NOAAnet/OpsNet

10. Progression of Sea Level Stations Earthquake detection Sea Level Change detection

11. R ESEARCH AT PRSN -Real Time network operations: - Velocity - Acceleration - displacement - Sea level - Emergency management -Seismology: local and teleseismic -Tsunami Modeling: tectonic and landslides -Early warning and loss estimations -Hazard maps: Tsunami and Earthquakes -Paleo studies