1. monitoring local/regional seismicity (north-eastern Caribbean; Sombrero seismic zone) monitoring volcanic activity (The Quill, Mt. Scenery) contributing to the Caribean Tsunami Warning system NA – Netherlands Antilles Seismic Network (since 2006)  KNMI (Netherlands Meteorological Institute)  MDNAA (Meteorological Service of the Netherlands Antilles and Aruba)

3. USGS

4. St. Eustatius St. Maarten Saba North

6. oil terminal last eruption ~ 100 - 400 AD

7. last eruption ~ 1640 pyroclastic flows

8. Streckeisen STS-2 broad-band sensor

10. UPS - local support, but limited technical knowledge - air conditioned rooms - automatic processing SeisComP3 - manual review SeismicHandler

11. SABA SEUS SMRT

12. Real-Time seismic stations in the Caribbean region collected by KNMI / MDNAA using SC3

14. 100 Hz 40 Hz minimum phase filter, causal linear phase filter, acausal

15. Willard interface

16. Quanterra Q330 filtering scheme causal: no ‘ringing’, reliable onset picking, waveform distortion acausal: possible ‘ringing’, no waveform distortion

17. ring buffer fifo’s high priority thread Linux RT-Linux DAC polling & plot network (SeedLink) socket ring buffer data handler notifier log-handler 40 Hz data dt = 0.025 sec dataerrors drum recorder

18. http://www.realtimelinuxfoundation.org/ http://www.rtlinuxfree.com/ http://www.linux-real-time.com/