EQ at Christchurch at 20:19:44 on 05-Oct-2021
Vertical Velocities recorded at Port Levy
EQ Details
Magnitude: 2.7
Depth: 4 km
Distance: 5 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 | 102.29 | 0.139 | 100.0 |
| T < 1 s | 98.39 | 0.137 | 100.0 |
| T > 1 s | 2.27 | 1.8 | 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.