1. Portable Broadband Seismology Jakarta, Indonesia May 11-13, 2006 Bruce Beaudoin Marcos Alvarez Part 3: Seismometer Overview

2. A Simple Seismometer

3. Equipment Inventory: Seismometers

4. Spectral Amplitude Response Characteristics

5. Equipment Inventory: Broadband Seismometers Guralp CMG-3T Streckeisen STS-2

6. Equipment Inventory: Intermediate Period Seismometers CMG-40T 30s active feedback CMG-ESP 30s active feedback

7. Equipment Inventory: Short Period Seismometers L4C 1Hz Teledyne GS-13 1Hz 1 Element/Housing L22 2Hz Passive Sensors

8. Streckeisen STS-2 Tri-Axial 120 Second Low Power 1500 V/m/s

9. Streckeisen STS-2

11. Transformation Equations East North Vertical

12. Transformation Equations

13. Guralp CMG-3T 120 Second Low Power 1500 V/m/s

14. Guralp CMT-3T

15. Guralp CMG-3ESP 30 Second Low Power 2000 V/m/s

16. Guralp CMG-40T 30 Second Low Power 800 V/m/s No locking