Mulgor Logo EQ at Christchurch at 16:08:00 on 02-Jul-2021

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 1.9
Depth: 4 km
Distance: 20 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 1.76 0.195 100.0
T < 1 s 1.50 0.163 81.0
T > 1 s 0.58 2.2 19.1

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.