EQ at Ashburton at 14:18:05 on 30-May-2021
Vertical Velocities recorded at Port Levy
EQ Details
Magnitude: 3.0
Depth: 15 km
Distance: 55 km
Estimated travel time of P waves: 10 s
Estimated travel time of S waves: 18 s
Travel times of P and S waves were derived from this website
| Sig. Height μm/s | Sig. Period s | % of Variance | |
|---|---|---|---|
| Raw | 7.70 | 0.216 | 100.0 |
| T < 1 s | 4.72 | 0.147 | 77.6 |
| T > 1 s | 2.85 | 3.2 | 22.4 |
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.