Mulgor Logo EQ at Christchurch at 12:08:53 on 17-Jul-2020

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 3.1
Depth: 11 km
Distance: 35 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 23.99 0.138 100.0
T < 1 s 23.68 0.134 99.7
T > 1 s 1.24 1.7 0.3

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.