Mulgor Logo EQ at Christchurch at 12:14:51 on 22-Sep-2022

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 1.9
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

Statistics of Signal at Port Levy
Sig. Height μm/s Sig. Period s % of Variance
Raw 3.03 0.146 100.0
T < 1 s 2.45 0.136 93.0
T > 1 s 0.53 3.4 7.0

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.