Terremoto moderato mag. 5.0 - South Pacific Ocean, Nuova Zelanda, 14 Oct 7:00 pm (GMT -12)

Data & ora: 15 Oct 2020 07:00:09 UTC
Ora locale a epicentro: 14 Oct 7:00 pm (GMT -12)
Magnitudine: 5
Prof.: 33.0 km
Epicentro latitudine / longitudine: 31.20055°S / 176.2928°W (South Pacific Ocean, Nuova Zelanda)
Antipode: 31.201°N / 3.707°E
Vulcano più vicino: Curtis Island (229 km / 142 mi)
Fonte dati primaria: GEONET (NZ) (Earthquake Commission and Geological Survey, New Zealand)
Stima dell'energia sismica liberata: 2 x 10¹² joules (554 MWh, equivalent to 477 tons of TNT) | about seismic energy

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Based on its magnitude, the fault that was active during the quake ruptured along a surface of approx. 10 km² (=4 sqare miles) as a first-order estimate. The length of the rupture zone thus was probably around 5 km (3 mi).
Aftershocks typically occur during the days and weeks following the quake at or near the same fault, at distances of up to approx. two times the length of the rupture zone.
The often broadly linear arrangement of aftershock epicenters encompasses the rupture zone of the main shock (check on the map below to verify).

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