Mulgor Logo EQ at Milford Sound at 01:15:08 on 22-Jun-2021

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 3.9
Depth: 68 km
Distance: 378 km
Estimated travel time of P waves: 51 s
Estimated travel time of S waves: 90 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 2.36 0.475 100.0
T < 1 s 1.63 0.182 41.6
T > 1 s 1.70 3.7 58.4

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.