EQ at Christchurch at 11:35:33 on 31-May-2022
Vertical Velocities recorded at Port Levy
EQ Details
Magnitude: 2.1
Depth: 4 km
Distance: 17 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 | 4.59 | 0.144 | 100.0 |
| T < 1 s | 3.81 | 0.152 | 84.4 |
| T > 1 s | 1.28 | 2.8 | 15.5 |
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.