Moderate mag. 5.4 earthquake - Northern Mid-Atlantic Ridge on Friday, 21 November 2003
Depth: 10.0 km
Epicenter latitude / longitude: 45.219°N / 28.035°W (international territory)
Primary data source: USGS
Estimated released energy: 7.9 x 1012 joules (2.21 gigawatt hours, equivalent to 1898 tons of TNT or 0.1 atomic bombs!) [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|
|Fri, 21 Nov 04:09 UTC||M 5.4 / 10 km||Northern Mid-Atlantic Ridge||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Aftershocks of the 5.4 quake: Northern Mid-Atlantic Ridge, 21 Nov 2003 04:09
More infoRecorded aftershocks, latest first (1 quakes):
- 21 Nov 2003 06:26 UTC| M 4.7 |10 km (6.2 mi) depth|26 km (16 mi) distance| USGS | Details