Earthquakes in Puerto Rico — February 2026

117 earthquakes were recorded in Puerto Rico during February 2026, an average of 4.2 per day.

6 reached magnitude 4 or above and 4 reached magnitude 5 or above. The average focal depth was 21 km.

The month's largest event in Puerto Rico was a magnitude 5.1 earthquake near Arecibo, Puerto Rico on 19 February 2026 at 14:18 UTC. A magnitude 5.1 earthquake radiates roughly 674 tons of TNT equivalent in seismic energy.

That is below the Puerto Rico monthly average of 173 events over the period we cover — a comparatively quiet month, and down from the 183 recorded the previous month.

98% of events here are shallow (under 70 km), 2% intermediate (70–300 km) and 0% deep-focus (over 300 km). Almost everything here is crustal. That is characteristic of transform faulting or continental deformation rather than subduction — and it means shaking at the surface is strong for the magnitudes involved.

By band, the catalogue holds 17 in the magnitude 1 range, 66 in the magnitude 2 range, 28 in the magnitude 3 range, 2 in the magnitude 4 range, 4 in the magnitude 5 range.

Activity peaked on 10 February, when 10 events were recorded.

3 event(s) this month carry a USGS link to NOAA tsunami information; the flag does not indicate whether a tsunami occurred.

The month's largest events were M5.1 near Arecibo, Puerto Rico on 19 February at 34 km; M5.1 near Carrizales, Puerto Rico on 19 February at 32 km; M5.0 near Carrizales, Puerto Rico on 19 February at 10 km.

That is 32% below the 173 events Puerto Rico averages per month across the 21 months on record.

This month also holds the strongest earthquake recorded in Puerto Rico in our entire catalogue.