EQ at Christchurch at 14:00:46 on 19-Aug-2020
Vertical Velocities recorded at Port Levy
EQ Details
Magnitude: 1.9
Depth: 5 km
Distance: 20 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 | 2.89 | 0.190 | 100.0 |
| T < 1 s | 2.49 | 0.177 | 68.6 |
| T > 1 s | 1.44 | 2.2 | 31.3 |
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.