Moderate mag. 4.9 earthquake - South Pacific Ocean on Sunday, Sep 19, 2021 5:42 pm (GMT -10) -
Moderate magnitude 4.9 earthquake at 10 km depth
20 Sep 07:46 UTC: First to report: GFZ after 4 hours.
Local time at epicenter: Sunday, Sep 19, 2021 5:42 pm (GMT -10)
Depth: 10.0 km
Epicenter latitude / longitude: 56.03°S / 144.48°W
Antipode: 56.03°N / 35.52°E
Primary data source: GFZ (German Research Centre for Geosciences)
Estimated released energy: 1.4 x 1012 joules (392 megawatt hours, equivalent to 338 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.
|4.9||10 km||Pacific Antarctic Ridge||GFZ|
|4.9||10 km||PACIFIC-ANTARCTIC RIDGE||EMSC|
|5.1||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.