EQ at Christchurch at 21:22:10 on 31-Mar-2020
Vertical Velocities recorded at Port Levy
EQ Details
Magnitude: 2.2
Depth: 5 km
Distance: 32 km
Estimated travel time of P waves: 6 s
Estimated travel time of S waves: 10 s
Travel times of P and S waves were derived from this website
| Sig. Height μm/s | Sig. Period s | % of Variance | |
|---|---|---|---|
| Raw | 1.82 | 0.167 | 100.0 |
| T < 1 s | 1.42 | 0.149 | 82.2 |
| T > 1 s | 0.60 | 2.7 | 17.9 |
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.