Classification by amplitude magnitude | 3.5 ≤ M < 5 | 5≤M <6 | 6 ≤ M excepting 12 events | 12 large events |
---|---|---|---|---|
Epicentral distance for station selection (km) | 10–300 | 100–400 | 100–500 | 500–900 |
Waveform lengths for the CMT inversion (s) | 120 | 150 | 180 | 300 |
Pass-band of the filter (Hz) | 0.02–0.05 | 0.02–0.05 | 0.02–0.05 | 0.005–0.02 |
Initial centroid time from origin time (s) | 0 | 0 | 5 | 10–20 |