EQ at Christchurch at 18:05:43 on 11-Jul-2020
Vertical Velocities recorded at Port Levy
EQ Details
Magnitude: 2.0
Depth: 4 km
Distance: 18 km
Estimated travel time of P waves: 3 s
Estimated travel time of S waves: 6 s
Travel times of P and S waves were derived from this website
| Sig. Height μm/s | Sig. Period s | % of Variance | |
|---|---|---|---|
| Raw | 4.03 | 0.168 | 100.0 |
| T < 1 s | 3.62 | 0.169 | 89.1 |
| T > 1 s | 1.19 | 2.5 | 10.8 |
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.