EQ at Christchurch at 17:40:48 on 24-Jun-2022
Vertical Velocities recorded at Port Levy
EQ Details
Magnitude: 4.0
Depth: 5 km
Distance: 45 km
Estimated travel time of P waves: 8 s
Estimated travel time of S waves: 13 s
Travel times of P and S waves were derived from this website
| Sig. Height μm/s | Sig. Period s | % of Variance | |
|---|---|---|---|
| Raw | 104.77 | 0.245 | 100.0 |
| T < 1 s | 99.54 | 0.247 | 99.4 |
| T > 1 s | 8.82 | 1.6 | 0.6 |
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.