EQ at Christchurch at 16:40:47 on 13-Mar-2023
Vertical Velocities recorded at Port Levy
EQ Details
Magnitude: 2.2
Depth: 7 km
Distance: 39 km
Estimated travel time of P waves: 7 s
Estimated travel time of S waves: 12 s
Travel times of P and S waves were derived from this website
| Sig. Height μm/s | Sig. Period s | % of Variance | |
|---|---|---|---|
| Raw | 2.43 | 0.165 | 100.0 |
| T < 1 s | 2.21 | 0.144 | 74.1 |
| T > 1 s | 1.30 | 2.7 | 26.1 |
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.