Mulgor Logo EQ at Christchurch at 18:25:42 on 06-Jul-2020

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 3.8
Depth: 7 km
Distance: 10 km
Estimated travel time of P waves: 2 s
Estimated travel time of S waves: 4 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 933.73 0.188 100.0
T < 1 s 934.07 0.202 100.0
T > 1 s 15.80 1.6 0.0

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.