Light mag. 4.8 earthquake - 187km ENE of Anatahan, Northern Mariana Islands on Friday, 20 October 2017
20 Oct 10:10 UTC: First to report: USGS after 39 minutes.
Local time at epicenter: 2017-10-20 19:31:09 +10:00
Depth: 10.0 km
Epicenter latitude / longitude: 17.0039°N / 147.2896°E (Northern Mariana Islands)
Nearest volcano: Zealandia Bank (154 km / 96 mi)
Primary data source: USGS
Estimated released energy: 1 x 1012 joules (278 megawatt hours, equivalent to 239 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|
|2017-10-20 19:31:09 +10:00 (20 Oct 09:31:09 UTC)||M 4.8 / 10 km||- 187km ENE of Anatahan, Northern Mariana Islands||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.