EQ at Christchurch at 20:21:23 on 17-Oct-2022
Vertical Velocities recorded at Port Levy
EQ Details
Magnitude: 2.2
Depth: 6 km
Distance: 18 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 | 6.03 | 0.145 | 100.0 |
| T < 1 s | 5.63 | 0.148 | 98.7 |
| T > 1 s | 0.63 | 4.4 | 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.