Seismometers are numbered as follows: Broadband Seismometers:
1. Streckeisen STS-1 (360 s)
2. Trillium 240 (generation 1)
3. Trillium 240 (generation 2)
4. Guralp CMG-3T
5. Streckeisen STS-2 (generation 1)
6. Streckeisen STS-2 (generation 2)
7. Streckeisen STS-2 (generation 3)
8. Trillium 120
9. Compact Trillium
Intermediate Seismometers:
10. Trillium 40
11. Guralp CMG-3ESP
12. Guralp CMG-40T (30 s)
13. Streckeisen STS-1 (20 s)
Short-period Seismometers:
14: Guralp CMG-40T (1 s)