Mulgor Logo EQ at Christchurch at 21:58:05 on 11-Jul-2021

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 3.2
Depth: 8 km
Distance: 36 km
Estimated travel time of P waves: 6 s
Estimated travel time of S waves: 11 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 11.72 0.162 100.0
T < 1 s 11.22 0.163 99.0
T > 1 s 1.23 2.4 1.0

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.