Mulgor Logo EQ at Christchurch at 16:17:56 on 08-Nov-2021

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 2.2
Depth: 18 km
Distance: 36 km
Estimated travel time of P waves: 7 s
Estimated travel time of S waves: 12 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 2.49 0.169 100.0
T < 1 s 2.27 0.123 95.8
T > 1 s 0.42 3.2 4.3

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.