Mulgor Logo EQ at Christchurch at 12:34:18 on 10-Sep-2020

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 2.2
Depth: 4 km
Distance: 26 km
Estimated travel time of P waves: 5 s
Estimated travel time of S waves: 8 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 2.57 0.187 100.0
T < 1 s 2.28 0.169 82.1
T > 1 s 0.96 3.0 17.9

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.