QuakeIndex

Earthquake · reviewed by a seismologist

M 2.3md

34 km W of Puerto Real, Puerto Rico

· 13 km deep · released about 77 lb of TNT

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10 km30 km60 km120 km N Cabo Rojo Municipio 36 kmMayagüez Municipio 40 kmHormigueros Municipio 43 kmRincón Municipio 43 kmAñasco Municipio 49 kmLajas Municipio 51 kmSan Germán Municipio 51 kmAguada Municipio 51 kmMoca Municipio 59 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 2.3 (md)
Depth
13 km below the surface
Felt
no reports yet
Nearest
Cabo Rojo Municipio, 36 km E
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 3372 days ago

This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.

How big was it?

This earthquake released about 77 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.3 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 200,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 140,000× the energy of this one
  3. Around the size people start to feel M 3.0 12× the energy of this one
  4. This earthquake M 2.3 about 77 lb of TNT

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 18.0386, -67.5138. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Cabo Rojo Municipio, PR 36 km (22 mi) W of here earthquakes near Cabo Rojo Municipio
Mayagüez Municipio, PR 40 km (25 mi) E of here earthquakes near Mayagüez Municipio
Hormigueros Municipio, PR 43 km (27 mi) WSW of here earthquakes near Hormigueros Municipio
Rincón Municipio, PR 43 km (27 mi) SW of here earthquakes near Rincón Municipio
Añasco Municipio, PR 49 km (30 mi) SW of here earthquakes near Añasco Municipio
Lajas Municipio, PR 51 km (31 mi) W of here earthquakes near Lajas Municipio

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

Aftershocks so far

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

  1. 2.7 44 km WSW of Stella, Puerto Rico
  2. 1.7 3 km SSE of Monte Grande, Puerto Rico
  3. 3.4 35 km W of Rincón, Puerto Rico
  4. 2.5 17 km NW of Rincón, Puerto Rico
  5. 1.8 5 km SW of Mayagüez, Puerto Rico
  6. 2.6 0 km WSW of Sabana Eneas, Puerto Rico
  7. 2.4 59 km WSW of Stella, Puerto Rico
  8. 1.7 16 km SSW of La Parguera, Puerto Rico
  9. 1.9 23 km SW of Stella, Puerto Rico
  10. 2.4 6 km SW of La Playa, Puerto Rico
  11. 3.2 2 km S of La Playa, Puerto Rico
  12. 1.8 3 km SSE of Mayagüez, Puerto Rico
  13. 2.4 3 km NE of Mayagüez, Puerto Rico
  14. 3.1 55 km SW of Pole Ojea, Puerto Rico
  15. 1.6 6 km SSW of Palmarejo, Puerto Rico

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.

On USGS

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