Light mag. 4.9 earthquake - 228km ENE of Neiafu, Tonga on Saturday, 4 May 2019
4 May 18:34 UTC: First to report: USGS after 37 minutes.
Local time at epicenter: 2019-05-04 06:57:31 -11:00
Depth: 10.0 km
Epicenter latitude / longitude: 18.1604°S / 171.8858°W (Tonga)
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|
|2019-05-04 06:57:31 -11:00 (4 May 17:57:31 UTC)||M 4.9 / 10 km||228km ENE of Neiafu, Tonga||USGS|
|Sat, 4 May 17:57 UTC||M 4.9 / 10 km||Tonga Region||EMSC|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.