QuakeIndex

Earthquake · reviewed by a seismologist

M 2.3Md

7 km SSE of Lares, Puerto Rico

· 34 km deep · released about 85 lb of TNT

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10 km30 km60 km120 km N Lares Municipio 6 kmAdjuntas Municipio 10 kmMaricao Municipio 12 kmLas Marías Municipio 14 kmUtuado Municipio 15 kmYauco Municipio 16 kmSan Sebastián Municipio 17 kmSabana Grande Municipio 20 kmHatillo Municipio 24 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
34 km below the surface
Felt
no reports yet
Nearest
Lares Municipio, 6 km NNW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 3656 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 85 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 5.8 180,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 130,000× the energy of this one
  3. Around the size people start to feel M 3.0 11× the energy of this one
  4. This earthquake M 2.3 about 85 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 18.2308, -66.8427. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Lares Municipio, PR 6 km (4 mi) SSE of here earthquakes near Lares Municipio
Adjuntas Municipio, PR 10 km (7 mi) WNW of here earthquakes near Adjuntas Municipio
Maricao Municipio, PR 12 km (7 mi) ENE of here earthquakes near Maricao Municipio
Las Marías Municipio, PR 14 km (9 mi) E of here earthquakes near Las Marías Municipio
Utuado Municipio, PR 15 km (10 mi) WSW of here earthquakes near Utuado Municipio
Yauco Municipio, PR 16 km (10 mi) N of here earthquakes near Yauco Municipio

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

Aftershocks so far

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

  1. 2.7 1 km WNW of Potala Pastillo, Puerto Rico
  2. 2.4 15 km NNE of Carrizales, Puerto Rico
  3. 2.7 10 km NNE of Arecibo, Puerto Rico
  4. 1.8 7 km NNW of Yauco, Puerto Rico
  5. 1.9 5 km SSE of Pole Ojea, Puerto Rico
  6. 1.8 8 km SSE of Maria Antonia, Puerto Rico
  7. 2.5 1 km ESE of Maria Antonia, Puerto Rico
  8. 2.4 1 km SE of Maria Antonia, Puerto Rico
  9. 2.2 6 km SSE of Maria Antonia, Puerto Rico
  10. 1.8 6 km S of La Parguera, Puerto Rico
  11. 2.3 16 km S of Ponce, Puerto Rico
  12. 2.5 1 km SSE of Maria Antonia, Puerto Rico
  13. 2.4 1 km SSE of Maria Antonia, Puerto Rico
  14. 2.1 3 km SSE of Maria Antonia, Puerto Rico
  15. 1.9 13 km S of Ponce, 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

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