Parameter | AB-2010 (Akkar and Bommer, 2010) | B-2011 (Bindi et al., 2011) | CF-2008 (Cauzzi and Faccioli, 2008) | M-2008 (Malagnini et al., 2008) | SP-1996 (Sabetta and Pugliese, 1996) |
---|---|---|---|---|---|
Focal mechanisms* | NF, RF, and SS | NF, RF, and SS | NF, RF, and SS | Not specified | Not specified |
Magnitudes | 5.0≤ Mw ≤ 7.6 | 4.1≤ Mw ≤6.9 | 5.0≤ Mw ≤7.2 | Mw ≥4.1 | Ms: if Ml, Ms ≥5.5; ML: if ML, Ms <5.5; 4.6≤ ML, Ms ≤6.8 |
Distances | Epicentral 5 km ≤ R ≤ 100 km | Epicentral R ≤ 200 km | Hypocentral 6 km ≤ R ≤ 150 km | Hypocentral 10 km ≤ R ≤ 200 km | Epicentral R ≤ 100 km |
Focal depth (H) | Not specified | H ≤ 35 km | H ≤ 22 km | H ≤ 35 km | Not specified |
Sites† | A, B, C, and D | A, B, C, D, and E | A, B, C, and D | A and B | Not specified |
Horizontal components | Geometric mean | Geometric mean | Geometric mean | Geometric mean | Larger |
Sigma (σ) | 0.279 | 0.337 | 0.334 | 0.23 | 0.190 |
Number of parameters | 0 | 14 | 0 | 0 | 9 |
* NF, normal fault; RF, reverse fault; SS, strike slip.
† Eurocode 8 (2004).
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