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Seismic Swarms Shake Eastern Caribbean with 8 Earthquakes in less than 12 hours

A series of earthquakes have been recorded in portions of the Eastern Caribbean within the last 12 hours. The seismic surge began on Friday evening, with the first tremor registering a magnitude of 3.8 at 8:17 pm and continued with increasing intensity through the night and into the early morning hours.

According to preliminary data released by the UWI Seismic Research Centre, a total of eight earthquakes have been recorded in the region during this short timeframe. The seismic events were felt across several islands, including Guadeloupe, Antigua, Montserrat, St. Kitts, St. Lucia, Grenada, and St. Vincent & the Grenadines.

The sequence of earthquakes unfolded as follows:

·         8:17 pm – Magnitude 3.8

·         10:31 pm – Magnitude 4.3

·         10:58 pm – Magnitude 3.8

·         11:01 pm – Magnitude 3.6

·         11:13 pm – Magnitude 3.8

·         11:00 pm – Magnitude 4.4

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·         4:48 am – Magnitude 6.0

·         6:29 am – Magnitude 4.4

Seven of those eight quakes were recorded near Antigua and Barbuda. Local authorities have reported no significant damage or injuries at this time.

There have been several quakes over the past two months. On November 28, a magnitude 5.8 earthquake occurred near Barbados, St. Vincent and St. Lucia. There were no reported damages.

The centre said in a post on Facebook “The events this week and last night reminds us that we can experience earthquakes of various magnitudes and efforts should be made at all levels in society to be prepared.”

In an official press statement issued moments ago, the centre said many of the events occurring overnight have been located in the northeastern section of the arc, in the area known to have generated our largest earthquake, on 08 February, 1843.

It said that in recent days and months, several areas, from Barbados to far north-east of the arc, have generated moderate to strong earthquakes. “Sometimes, such activity signals an even more significant magnitude earthquake, in the short term,” it noted.

Larger earthquakes, the centre shared, are also a normal part of the earthquake cycle. At this time, however, the science is unable to predict exactly where and when such events would occur.

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