EQ at Christchurch at 07:58:51 on 04-Sep-2023
Vertical Velocities recorded at Port Levy
EQ Details
Magnitude: 3.0
Depth: 7 km
Distance: 15 km
Estimated travel time of P waves: 3 s
Estimated travel time of S waves: 5 s
Travel times of P and S waves were derived from this website
| Sig. Height μm/s | Sig. Period s | % of Variance | |
|---|---|---|---|
| Raw | 47.59 | 0.205 | 100.0 |
| T < 1 s | 46.75 | 0.196 | 99.9 |
| T > 1 s | 1.78 | 2.0 | 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.