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Scientific Advisories

Earthquake sequence North-East of Antigua

On 17th April, 2017 at 1:23 a.m. local time, the Seismic Research Centre (SRC) recorded an earthquake that was located north-east of Antigua/south-east of Barbuda with a preliminary magnitude of 5.8. This is the second earthquake that has occurred in the magnitude range 5.6-6.0, since 2011. 

The SRC has received more than 120 felt reports from as far west as St. Kitts and as far south as Guadeloupe for the 17th April event.  This earthquake has been followed, so far, by more than 500 events in the same general area, two of which were in the magnitude range 5.1-5.5. Scientists at the SRC expect that aftershocks should continue for some time.


Although this most recent earthquake sequence may not necessarily signal a larger earthquake, the public should be reminded that the Leeward Islands region is an area of high earthquake activity for the Caribbean. Moderate to significant sized earthquakes may occur in this region at any time which may impact islands in this area (St. Kitts-Nevis, Antigua-Barbuda, Montserrat). For this reason measures must always be in place at an individual, community and national level to protect against the impact of earthquakes.
If you felt this earthquake please complete our Did you feel it? form or send us an email.
For earthquake safety tips click here