Light mag. 4.9 earthquake - Northern Mid-Atlantic Ridge on Saturday, 21 December 2019
21 Dec 22:12 UTC: First to report: USGS after 56 minutes.
Local time at epicenter: 2019-12-21 19:16:21 -02:00
Depth: 10.0 km
Epicenter latitude / longitude: 45.7837°N / 27.5063°W (international territory)
Primary data source: USGS
Estimated released energy: 1.4 x 1012 joules (392 megawatt hours, equivalent to 338 tons of TNT) [learn more]
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.
|Time||Mag. / Depth||Location||Source|
|2019-12-21 19:16:21 -02:00 (21 Dec 21:16:21 UTC)||M 4.9 / 10 km||Northern Mid-Atlantic Ridge||USGS|
|Sat, 21 Dec 21:16 UTC||M 4.9 / 2 km||Northern Mid-atlantic Ridge||EMSC|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.