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National Center for Seismological Research CENAIS

National Center for Seismological Research CENAIS. Ministry of Science, Technology and Environment. National Center for Seismological Research. SCIENTIFIC DIVISION. SEISMIC ENGINEERING. GROUP OF INFORMATION. HAZARDS EVALUATION. SEISMICITY, SEISMIC EFFECTS AND SEISMIC HAZARD.

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National Center for Seismological Research CENAIS

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  1. National Center for Seismological ResearchCENAIS Ministry of Science, Technology and Environment

  2. National Center for Seismological Research

  3. SCIENTIFIC DIVISION SEISMIC ENGINEERING GROUP OF INFORMATION HAZARDS EVALUATION SEISMICITY, SEISMIC EFFECTS AND SEISMIC HAZARD GEODINAMICAL STUDIES EVALUATION OF VULNERABILITY AND SEISMIC RISK STRUCTURAL ANALYSIS (SEISMOTECTONIC SETTING) GEOLOGICAL HAZARDS PATHOLOGY OF STRUCTURES LIBRARY (LANDSLIDES, LIQUEFACTION AND RELATIONS WITH HYDROMETEOROLOGICAL FACTORS)

  4. Bouger GravimetricsAnomalies (Carib 97-Smit, Small).

  5. Caribbean seismicity

  6. Kinematic framework along the southern Cuban margin. OFZ- Oriente Fault Zone; WFZ – Walton Fault Zone; EFZ – Enriquillo Fault Zone, SFZ- Swan Fracture Zone; CSC - Cayman Spreading Centre; CCB – Cabo Cruz Basin; SDB – Santiago Deformed Belt; CNF – Cauto Nipe Fault; PF – Pinar Fault; NCFS – Nortecubana Fault System; SCFS – Surcubana Fault System. The mapped OFZ trace, including CCB and SDB is taken from Calais and Mercier de Lépinay (1990, 1991). The PF and CNF traces are taken from Draper and Barros (1994).

  7. CENAIS Networks • General Technical Parameters (since 1998) • Chinese Technology • 3 - component Sensors • 16 bit digitalization • GPS time • SEISAN Software under Linux • 8 Permanent Stations (manned 24/7) 3h report. • Eastern Seismotelemetric Network (4-5 Stations). • Accelerometer Stations. • Portable Stations. • 1 IGS GPS permanent Station.

  8. Permanent Station Network Manicaragua Soroa Holguín(Reserve Central Station) Moa Cascorro Maisí Las Mercedes Río Carpintero Central StationSantiago de Cuba

  9. Main Technical Parameters • 3 components FSB-3 Sensor. • Free Period: 20 seconds • Bandwidth: 0.05 Hz to 40 Hz • Sensibility: 500 Volt*s/m. • Noise level (to baseline): 1*10-7 m/s. • Damping: 0.7. • 3 Channel Digitizer EDAS-3 • 16-bit Digitalization • 96 dB dynamic range • Sample rate 100 Hz. • 1 msec Time Scale to UTC (via GPS)

  10. Seismic Sensor FSB-3 and EDAS-3 Digitizer

  11. Seismical Sensor FSB-3

  12. Rio Carpintero Station

  13. Communications between BB Stations and the Central Station in Santiago de Cuba Due to problems with the telephone lines is impossible to transmit the signals in “real time” to the Central Station, them the signals are analyzed at each station and the information of picked amplitude and phases is transmitted by: • Telephone • Transceiver in HF. • Modem

  14. Eastern Seismotelemetrical Network Pinares El Yarey Sabaneta Guantánamo Central Station

  15. Main Technical Parameters • 3 components CM-3 Sensor. • Natural Period: 1 • 3 Channel Digitizer EDAS-3 • 16-bit Digitalization • Sample rate 50 Hz. • 1 mS. Time Scale to UTC (via GPS) • Telemetry • Transmission at 220 MHz • Speed 4800 bauds

  16. Seismotelemetrical Network, Central Station

  17. Sabaneta Seismotelemetrical Station

  18. Sabaneta Seismotelemetrical Station

  19. Accelerographic Station • Triaxial Accelerograph SJL-100. • 16 bits. • Range: ±1g. • Sensibility: ±5V/g. • Dynamical Range: >120 dB. • Normal damping: 0. 7. • Bandwidht: 0.01-80 Hz.

  20. Accelerographic Station

  21. Yearly Recorded Quakes 1964-2004 Start of Digital Recording

  22. Seismicity from 1503 - 2005

  23. IGS GPS Permanent Station 40701M001 • Cooperation with GFZ Potsdam, Germany. • Ashtech ZXII Receiver • 12 Channel 2 Frequency Receiver • Sampling Rate 30s. • TimeTech/Gresinger Meteo Station • Pressure (±0.1 HPa), Temperature (±0.1 °C), Humidity (±1.5%) • Sampling rate at 5 minutes • Data Transfer • Hourly Via FTP

  24. Antena GPS y Estación Meteorológica

  25. 4.61 mm/A 7.69 mm/A 6.03 mm/A Observatorio Geodinámico Dirección del Movimiento

  26. Permanent GPS stations in the area

  27. Temporal Tidal Station

  28. Abnormal Waves during Hurricane Lily, Oct 2002

  29. Seismical Network’s Central StationSantiago de Cuba

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