Mulgor Logo EQ at SE Christchurch at 18:02:48 on 12-Mar-2019

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 2.2
Depth: 4 km
Distance: 5 km
Estimated travel time of P waves: 1 s
Estimated travel time of S waves: 2 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 15.06 0.184 100.0
T < 1 s 12.59 0.185 99.5
T > 1 s 0.78 2.8 0.5

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.