Mulgor Logo EQ at Christchurch at 12:57:50 on 01-Sep-2020

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 2.2
Depth: 6 km
Distance: 18 km
Estimated travel time of P waves: 3 s
Estimated travel time of S waves: 6 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 5.19 0.175 100.0
T < 1 s 4.50 0.154 95.3
T > 1 s 1.04 2.6 4.7

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.