Mulgor Logo EQ at Christchurch at 03:24:50 on 08-Dec-2021

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 2.1
Depth: 5 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 5.96 0.137 100.0
T < 1 s 5.30 0.117 94.3
T > 1 s 0.91 2.3 5.7

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.