QuakeIndex

Earthquake · reviewed by a seismologist

M 3.6md

40 km ESE of Boca de Yuma, Dominican Republic

· 145 km deep · released about 3.4 tons of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Mayagüez Municipio 43 kmRincón Municipio 107 kmAguada Municipio 114 kmCabo Rojo Municipio 117 kmAñasco Municipio 119 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 3.6 (md)
Depth
145 km below the surface
Felt
no reports yet
Nearest
Mayagüez Municipio, 43 km ESE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2062 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage.

How big was it?

This earthquake released about 3.4 tons of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 4.6 would have released about 32 times as much.

  1. Northridge, California 1994 M 6.7 50,000× the energy of this one
  2. Mineral, Virginia 2011 M 5.8 2,200× the energy of this one
  3. Magna, Utah 2020 M 5.7 1,600× the energy of this one
  4. This earthquake M 3.6 about 3.4 tons of TNT
  5. Around the size people start to feel M 3.0 this one released 7.2× 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 18.2481, -68.2556. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Mayagüez Municipio, PR 43 km (27 mi) WNW of here earthquakes near Mayagüez Municipio
Rincón Municipio, PR 107 km (66 mi) W of here earthquakes near Rincón Municipio
Aguada Municipio, PR 114 km (71 mi) W of here earthquakes near Aguada Municipio
Cabo Rojo Municipio, PR 117 km (73 mi) WNW of here earthquakes near Cabo Rojo Municipio
Añasco Municipio, PR 119 km (74 mi) W of here earthquakes near Añasco Municipio
Aguadilla Municipio, PR 120 km (75 mi) WSW of here earthquakes near Aguadilla Municipio

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

Aftershocks so far

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

  1. 3.7 12 km W of Punta Cana, Dominican Republic
  2. 3.5 67 km SE of Boca de Yuma, Dominican Republic
  3. 3.5 45 km SE of Boca de Yuma, Dominican Republic
  4. 3.7 49 km SSE of Punta Cana, Dominican Republic
  5. 3.2 59 km W of Stella, Puerto Rico
  6. 3.4 31 km SSE of Punta Cana, Dominican Republic
  7. 3.9 11 km E of Boca de Yuma, Dominican Republic
  8. 3.7 31 km SSE of Boca de Yuma, Dominican Republic
  9. 3.5 53 km SSE of Boca de Yuma, Dominican Republic
  10. 3.4 61 km SSE of Boca de Yuma, Dominican Republic
  11. 3.8 17 km SSE of Punta Cana, Dominican Republic
  12. 3.4 64 km SE of Boca de Yuma, Dominican Republic
  13. 3.5 52 km SE of Punta Cana, Dominican Republic
  14. 3.6 12 km ESE of Punta Cana, Dominican Republic
  15. 3.0 72 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 5.3 on 2019-02-04 — it released about 390 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.