QuakeIndex

Earthquake · reviewed by a seismologist

M 4.3md

51 km SE of Boca de Yuma, Dominican Republic

· 77 km deep · released about 37 tons of TNT

10 km30 km60 km120 km N Mayagüez Municipio 36 kmRincón Municipio 107 kmCabo Rojo Municipio 111 kmAguada Municipio 114 kmHormigueros Municipio 117 kmAñasco Municipio 118 km
Distance rings around the epicentre, with the nearest towns at their true direction and later quakes as coloured dots. Not a shaking map — see the USGS ShakeMap for that.
When
Magnitude
M 4.3 (md)
Depth
77 km below the surface
Felt
2 reports · strongest reported intensity II
Nearest
Mayagüez Municipio, 36 km E
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 178 days ago

This was a light earthquake. It is usually felt clearly nearby and can rattle windows and dishes, but damage is uncommon. 2 people have reported feeling it to USGS.

How big was it?

This earthquake released about 37 tons of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 5.3 would have released about 32 times as much.

  1. Northridge, California 1994 M 6.7 4,600× the energy of this one
  2. Mineral, Virginia 2011 M 5.8 200× the energy of this one
  3. Magna, Utah 2020 M 5.7 140× the energy of this one
  4. This earthquake M 4.3 about 37 tons of TNT
  5. Around the size people start to feel M 3.0 this one released 78× more

Energy from the Gutenberg–Richter relation (log10E = 1.5M + 4.8), rounded to two figures; bar length is magnitude, which is already a logarithm of energy. Magnitudes of past earthquakes from the USGS catalogue.

Where

Epicentre 18.0925, -68.2255. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Mayagüez Municipio, PR 36 km (22 mi) W of here earthquakes near Mayagüez Municipio
Rincón Municipio, PR 107 km (66 mi) WSW of here earthquakes near Rincón Municipio
Cabo Rojo Municipio, PR 111 km (69 mi) W of here earthquakes near Cabo Rojo Municipio
Aguada Municipio, PR 114 km (71 mi) WSW of here earthquakes near Aguada Municipio
Hormigueros Municipio, PR 117 km (73 mi) W of here earthquakes near Hormigueros Municipio
Añasco Municipio, PR 118 km (73 mi) W of here earthquakes near Añasco Municipio

Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.

Aftershocks so far

50 earthquakes have been recorded within 50 km since this one.

  1. 3.1 60 km SE of Punta Cana, Dominican Republic
  2. 3.7 36 km SSE of Punta Cana, Dominican Republic
  3. 3.8 59 km S of Boca de Yuma, Dominican Republic
  4. 3.4 53 km S of Boca de Yuma, Dominican Republic
  5. 3.8 20 km SSE of Punta Cana, Dominican Republic
  6. 5.0 51 km S of Boca de Yuma, Dominican Republic
  7. 3.4 30 km S of Boca de Yuma, Dominican Republic
  8. 3.4 58 km SSE of Boca de Yuma, Dominican Republic
  9. 3.4 67 km SE of Punta Cana, Dominican Republic
  10. 3.3 53 km SE of Boca de Yuma, Dominican Republic
  11. 3.2 57 km SSE of Boca de Yuma, Dominican Republic
  12. 3.6 49 km S of Boca de Yuma, Dominican Republic
  13. 3.3 79 km SE of Boca de Yuma, Dominican Republic
  14. 3.7 56 km SE of Boca de Yuma, Dominican Republic
  15. 3.7 13 km SE of Boca de Yuma, Dominican Republic

Counted from the QuakeIndex database, which ingests the USGS feed every 30 seconds · as of . QuakeIndex does not forecast aftershocks. When USGS issues an operational aftershock forecast it appears on the USGS event page.

For this area

The largest earthquake within 50 km in our catalogue was M 5.7 on 2025-08-05 — it released about 140 times the energy of this one.

From the QuakeIndex catalogue, built from the USGS FDSN event service.

On USGS

QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.