QuakeIndex

Earthquake · reviewed by a seismologist

M 2.3md

6 km ENE of Naranjito, Puerto Rico

· 14 km deep · released about 72 lb of TNT

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10 km30 km60 km120 km N Bayamón Municipio 4 kmNaranjito Municipio 7 kmToa Alta Municipio 8 kmGuaynabo Municipio 8 kmAguas Buenas Municipio 9 kmComerío Municipio 11 kmCorozal Municipio 15 kmCataño Municipio 15 kmToa Baja Municipio 15 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
14 km below the surface
Felt
no reports yet
Nearest
Bayamón Municipio, 4 km NNE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 280 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 72 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 5.8 210,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 150,000× the energy of this one
  3. Around the size people start to feel M 3.0 13× the energy of this one
  4. This earthquake M 2.3 about 72 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 18.3182, -66.1892. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Bayamón Municipio, PR 4 km (3 mi) SSW of here earthquakes near Bayamón Municipio
Naranjito Municipio, PR 7 km (5 mi) ENE of here earthquakes near Naranjito Municipio
Toa Alta Municipio, PR 8 km (5 mi) SE of here earthquakes near Toa Alta Municipio
Guaynabo Municipio, PR 8 km (5 mi) WSW of here earthquakes near Guaynabo Municipio
Aguas Buenas Municipio, PR 9 km (6 mi) NW of here earthquakes near Aguas Buenas Municipio
Comerío Municipio, PR 11 km (7 mi) NNE of here earthquakes near Comerío Municipio

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

Aftershocks so far

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

  1. 2.0 0 km WSW of Aguas Buenas, Puerto Rico
  2. 1.9 0 km SW of G. L. Garcia, Puerto Rico
  3. 2.1 3 km NNW of Palomas, Puerto Rico
  4. 2.3 5 km W of Campo Rico, Puerto Rico
  5. 2.7 16 km N of Brenas, Puerto Rico
  6. 2.8 8 km NE of Vieques, Puerto Rico
  7. 1.6 1 km SW of G. L. Garcia, Puerto Rico
  8. 1.8 7 km ESE of G. L. Garcia, Puerto Rico
  9. 2.4 3 km SSE of Salinas, Puerto Rico
  10. 1.7 1 km WSW of G. L. Garcia, Puerto Rico
  11. 1.7 2 km NW of Las Ollas, Puerto Rico
  12. 2.0 1 km SSE of Cidra, Puerto Rico
  13. 1.9 3 km WNW of Orocovis, Puerto Rico
  14. 2.4 1 km WSW of Las Ochenta, Puerto Rico
  15. 1.9 3 km SSW of Salinas, 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.

For this area

The largest earthquake within 50 km in our catalogue was M 4.6 on 2019-03-12 — it released about 3,300 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.