Moderate mag. 4.7 earthquake - Indian Ocean, French Southern Territories, on Friday, September 17, 2021 at 03:04 (GMT) -
Moderate magnitude 4.7 earthquake at 10 km depth
Depth: 10.0 km
Epicenter latitude / longitude: 36.9203°S / 78.5468°E (Indian Ocean, French Southern Territories)
Antipode: 36.92°N / 101.453°W
Nearest volcano: Boomerang Seamount (110 km / 68 mi)
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 7.1 x 1011 joules (197 megawatt hours, 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.
|4.7||10 km||French Southern Territories: Mid-Indian Ridge||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.