EQ at Christchurch at 18:15:15 on 06-Oct-2021
Vertical Velocities recorded at Port Levy
EQ Details
Magnitude: 2.4
Depth: 4 km
Distance: 4 km
Estimated travel time of P waves: 1 s
Estimated travel time of S waves: 2 s
Travel times of P and S waves were derived from this website
| Sig. Height μm/s | Sig. Period s | % of Variance | |
|---|---|---|---|
| Raw | 43.92 | 0.150 | 100.0 |
| T < 1 s | 38.30 | 0.144 | 99.9 |
| T > 1 s | 1.04 | 2.2 | 0.1 |
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.