EQ at Christchurch at 11:20:23 on 28-Oct-2022
Vertical Velocities recorded at Port Levy
EQ Details
Magnitude: 2.5
Depth: 7 km
Distance: 22 km
Estimated travel time of P waves: 4 s
Estimated travel time of S waves: 7 s
Travel times of P and S waves were derived from this website
| Sig. Height μm/s | Sig. Period s | % of Variance | |
|---|---|---|---|
| Raw | 9.18 | 0.190 | 100.0 |
| T < 1 s | 8.87 | 0.180 | 98.3 |
| T > 1 s | 0.82 | 2.4 | 1.7 |
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.