Mulgor Logo EQ at Milford Sound at 01:12:43 on 12-Jul-2021

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 4.3
Depth: 106 km
Distance: 443 km
Estimated travel time of P waves: 59 s
Estimated travel time of S waves: 105 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 1.95 0.214 100.0
T < 1 s 1.69 0.166 78.0
T > 1 s 0.98 2.7 21.8

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.