EQ at Christchurch at 17:43:32 on 11-Oct-2020
Vertical Velocities recorded at Port Levy
EQ Details
Magnitude: 1.5
Depth: 5 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 | 2.13 | 0.238 | 100.0 |
| T < 1 s | 1.78 | 0.163 | 64.9 |
| T > 1 s | 0.98 | 1.8 | 35.2 |
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.