Mulgor Logo EQ at Christchurch at 18:01:02 on 17-Jul-2019

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 2.2
Depth: 5 km
Distance: 45 km
Estimated travel time of P waves: 8 s
Estimated travel time of S waves: 14 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 1.25 0.515 100.0
T < 1 s 0.96 0.169 34.0
T > 1 s 1.15 3.3 66.1

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.