Mulgor Logo EQ at Christchurch at 21:27:57 on 30-Mar-2022

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 2.2
Depth: 10 km
Distance: 13 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

Statistics of Signal at Port Levy
Sig. Height μm/s Sig. Period s % of Variance
Raw 12.23 0.155 100.0
T < 1 s 10.23 0.151 98.3
T > 1 s 0.87 3.0 1.7

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.