EQ at Christchurch at 23:22:47 on 28-Nov-2020
Vertical Velocities recorded at Port Levy
EQ Details
Magnitude: 2.5
Depth: 4 km
Distance: 19 km
Estimated travel time of P waves: 3 s
Estimated travel time of S waves: 6 s
Travel times of P and S waves were derived from this website
| Sig. Height μm/s | Sig. Period s | % of Variance | |
|---|---|---|---|
| Raw | 4.77 | 0.100 | 100.0 |
| T < 1 s | 4.67 | 0.092 | 92.0 |
| T > 1 s | 1.88 | 2.1 | 7.9 |
Significant height and period are derived from a zero-crossing analysis of the wave signal after the arrival time of the p waves.
They are the averages of the highest third of the waves.