Table 1 Estimated frictional parameters without and with prior constraints on the critical nucleation size Rc
DA period | A–B (kPa) (s.d.) | A (kPa) (s.d.) | L (mm) (s.d.) | Rc (km) |
|---|---|---|---|---|
Without prior constraints on critical nucleation size Rc | ||||
 0.5 years | − 191.7 (3.2) | 30.7 (4.1) | 69.3 (1.1) | 13.2 |
 1.0 year | − 161.5 (8.7 × 10–2) | 19.3 (1.7 × 10–1) | 55.2 (8.5 × 10–3) | 12.1 |
 1.5 years | − 180.7 (6.1 × 10–2) | 39.3 (1.6 × 10–1) | 46.1 (1.5 × 10–2) | 9.8 |
 2.0 years | − 116.7 (9.4 × 10–4) | 125.2 (8.9 × 10–4) | 39.3 (7.7 × 10–5) | 21.9 |
 2.5 yearsa | − 57.3 (3.9 × 10–4) | 67.4 (4.3 × 10–4) | 51.6 (1.8 × 10–4) | 61.6 |
 3.0 yearsa | − 43.1 (3.1 × 10–4) | 77.5 (3.8 × 10–4) | 45.9 (1.3 × 10–4) | 93.5 |
 b | − 50.0 | 100 | 40.0 | 75 |
With prior constraints on critical nucleation size Rc | ||||
 0.5 years | − 137.8 (3.6) | 355.6 (1.3 × 10+1) | 71.8 (2.3) | 58.7 |
 1.0 year | − 78.2 (5.8 × 10–2) | 78.3 (1.4 × 10–1) | 86.0 (1.2 × 10–2) | 69.2 |
 1.5 years | − 82.1 (4.1 × 10–2) | 86.7 (1.2 × 10–1) | 57.4 (1.2 × 10–2) | 45.2 |
 2.0 years | − 71.3 (7.5 × 10–4) | 105.6 (4.4 × 10–4) | 41.1 (5.1 × 10–5) | 45.0 |
 2.5 yearsa | − 57.3 (3.9 × 10–4) | 67.4 (4.3 × 10–4) | 51.6 (1.8 × 10–4) | 61.6 |
 3.0 yearsa | − 43.1 (3.1 × 10–4) | 77.5 (3.8 × 10–4) | 45.9 (1.3 × 10–4) | 93.5 |
 b | − 50.0 | 100 | 40.0 | 75 |