Table 2 Criteria and location uncertainty corresponding to the quality rating (Q) of the hypocentral parameters in the event list in Table 1
From: Earthquakes in Switzerland and surrounding regions during 2014
Rating | Criteria | Uncertainty | ||
|---|---|---|---|---|
Q | GAP (degrees) | DM (km) | H (km) | Z (km) |
A | ≤180 | ≤1.5 × Z | ≤2 | ≤3 |
B | ≤200 | ≤25 | ≤5 | ≤10 |
C | ≤270 | ≤60 | ≤10 | >10 |
D | >270 | >60 | >10 | >10 |