EQ at Christchurch at 11:46:56 on 26-Aug-2020
Vertical Velocities recorded at Port Levy
EQ Details
Magnitude: 1.7
Depth: 4 km
Distance: 14 km
Estimated travel time of P waves: 3 s
Estimated travel time of S waves: 4 s
Travel times of P and S waves were derived from this website
| Sig. Height μm/s | Sig. Period s | % of Variance | |
|---|---|---|---|
| Raw | 2.76 | 0.142 | 100.0 |
| T < 1 s | 2.31 | 0.127 | 78.3 |
| T > 1 s | 0.99 | 2.3 | 21.6 |
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.