EQ at Christchurch at 23:01:40 on 28-Feb-2023
Vertical Velocities recorded at Port Levy
EQ Details
Magnitude: 3.3
Depth: 9 km
Distance: 11 km
Estimated travel time of P waves: 2 s
Estimated travel time of S waves: 4 s
Travel times of P and S waves were derived from this website
| Sig. Height μm/s | Sig. Period s | % of Variance | |
|---|---|---|---|
| Raw | 180.08 | 0.210 | 100.0 |
| T < 1 s | 182.10 | 0.220 | 100.0 |
| T > 1 s | 3.09 | 1.6 | 0.0 |
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.