M 3.7 earthquake – 93 km N of Brenas, Puerto Rico
·
Local time: Oct 20, 2026 · 20:55 (UTC-4)
MinorShallow · 69 km
Reviewed by a seismologist
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- Magnitude
- 3.7duration magnitude (md)
- Depth
- 69 kmShallow earthquake
- Epicenter
- 19.305, -66.25895 km from San Juan
- Energy released
- 5.4 tons of TNTless than one Hiroshima bomb
- Felt reports
- —"Did You Feel It?" responses
- Shaking intensity
- —not estimated
- Aftershocks
- 0M2.5+ within 30 km
- Significance
- 205USGS score, 0–1,000+
Not rare around here
An earthquake at least as strong struck within 300 km on Oct 13, 2026.
How strong was it?
Minor earthquake. It released 5.4 tons of TNT, 89 times less than a magnitude 5.0. Bars use the magnitude scale: every step is about 32 times more energy.
The strongest earthquakes within 300 km
Since 1900, around Puerto Rico.
- 7.8 16 km NNW of Miches, Dominican Republic Aug 4, 1946
- 7.7 45 km N of San Antonio, Puerto Rico Jul 29, 1943
- 7.1 24 km NNW of San Antonio, Puerto Rico Oct 11, 1918
- 6.8 94 km NE of Punta Cana, Dominican Republic Jul 27, 1917
- 6.8 26 km SE of Boca de Yuma, Dominican Republic Apr 24, 1916
- 6.4 4 km SSE of Indios, Puerto Rico Jan 7, 2020
- 6.4 61 km N of Hatillo, Puerto Rico Jan 13, 2014
- 6.4 32 km NW of Aguadilla, Puerto Rico Feb 10, 1920