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Two earthquakes of magnitude 2.9 and 3.2 on the Richter scale were felt on Wednesday afternoon in the municipality of Pilón, in Granma province, confirmed the .
The first seismic event was recorded at 6:34 p.m. (local time), at a depth of 7.4 kilometers, located at 19.88 degrees north latitude and -77.40 degrees west longitude, seven kilometers west of Pilón, reported Enrique Diego Arango Arias, head of the Seismological Service and specialist at the National Center for Seismological Research (CENAIS).
At 6:40 p.m., the network of seismological stations detected the second tremor, measuring 3.2 in magnitude, at a depth of 10 km and at coordinates 19.82 degrees north latitude and -77.33 degrees west longitude, 10 kilometers south of the same eastern locality.
These are the perceptible earthquakes 13 and 14 of 2025, specified Arango Arias. “So far, reports of perceptibility have been received from the localities of Pilón and Niquero in the province of Granma, with no material or human damage,” the expert stated.
More than 3,000 earthquakes were recorded in Cuba in the first half of 2025
In the first half of 2025, 3,623 earthquakes were recorded in the region, of which 3,273 occurred within the geographical area of Cuba, according to data published in July by the National Seismological System.
Despite the high number of seismic events in the first half of the year, only 10 were noticeable to the population, nine of which were related to the plate boundary zone in the south of eastern Cuba.
The day with the highest seismic activity was January 27, with 60 events in 24 hours.
The most active area was Pilón–Chivirico, with 1,849 earthquakes recorded, mostly aftershocks from the earthquake that occurred on November 10, 2024. Meanwhile, the most energetic area was Santiago–Baconao.
Frequently Asked Questions about Recent Seismic Activity in Cuba
How many earthquakes were recorded in Pilón, Granma, on September 17, 2025?
Two earthquakes were recorded in Pilón, Granma, on September 17, 2025. The first had a magnitude of 2.9 and the second 3.2 on the Richter scale. Both events were felt but did not cause any material or human damage.
What is the seismic activity in Cuba during 2025?
During the first half of 2025, 3,623 earthquakes were recorded in the region, 3,273 of which were in Cuba. Only 10 tremors were felt by the population, with most occurring in the southern eastern part of Cuba, particularly in the Pilón–Chivirico area.
Why is Eastern Cuba an area of high seismic activity?
The eastern part of Cuba is the area with the highest seismic activity in the country due to its proximity to the Eastern fault, one of the most active in the region. Historically, this area has experienced significant earthquakes, reinforcing the need for constant monitoring.
What security measures are being taken in response to seismic activity in Cuba?
Cuban authorities are maintaining constant surveillance and urging the population to follow civil protection recommendations to ensure their safety in the event of potential seismic events.
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