Mulgor Logo EQ at Christchurch at 01:20:17 on 10-Dec-2020

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 2.1
Depth: 4 km
Distance: 14 km
Estimated travel time of P waves: 3 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 5.08 0.150 100.0
T < 1 s 4.89 0.159 94.4
T > 1 s 1.14 1.8 5.5

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.