EQ at Christchurch at 14:41:37 on 04-Jul-2020
Vertical Velocities recorded at Port Levy
EQ Details
Magnitude: 1.9
Depth: 4 km
Distance: 3 km
Estimated travel time of P waves: 1 s
Estimated travel time of S waves: 1 s
Travel times of P and S waves were derived from this website
| Sig. Height μm/s | Sig. Period s | % of Variance | |
|---|---|---|---|
| Raw | 10.34 | 0.131 | 100.0 |
| T < 1 s | 9.19 | 0.129 | 98.7 |
| T > 1 s | 0.97 | 2.2 | 1.3 |
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.