Mulgor Logo EQ at Christchurch at 00:07:30 on 17-Jul-2020

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 2.9
Depth: 6 km
Distance: 25 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 18.91 0.164 100.0
T < 1 s 19.11 0.177 99.9
T > 1 s 0.56 2.5 0.1

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.