Terremoto moderato mag. 4.7 - South Pacific Ocean, lunedì, 20 set. 2021 02:55 -


Terremoto moderato magnitudine 4.7 a 10 km di profondità
Magnitudine: 4.7
Prof.: 10.0 km
Epicentro latitudine / longitudine: 55.9268°S / 144.4861°W
Antipode: 55.927°N / 35.514°E
Fonte dati primaria: USGS (United States Geological Survey)
Stima dell'energia sismica liberata: 7.1 x 1011 joules (197 MWh, equivalent to 169 tons of TNT) | about seismic energy
Data for the same earthquake reported by different agencies
Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
Mag. | Prof. | Ubicazione | Fonte |
4.7 | 10 km | Pacific-Antarctic Ridge | USGS |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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