Mulgor Logo EQ at Christchurch at 13:05:56 on 02-Jan-2021

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 3.0
Depth: 10 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 20.61 0.166 100.0
T < 1 s 20.44 0.150 99.7
T > 1 s 1.07 1.9 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.