QuakeIndex

Earthquake · reviewed by a seismologist

M 2.3md

2 km N of Tallaboa, Puerto Rico

· 40 km deep · released about 85 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Peñuelas Municipio 1 kmGuayanilla Municipio 9 kmPonce Municipio 12 kmYauco Municipio 17 kmAdjuntas Municipio 18 kmGuánica Municipio 23 kmJuana Díaz Municipio 24 kmJayuya Municipio 25 kmSabana Grande Municipio 25 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
40 km below the surface
Felt
no reports yet
Nearest
Peñuelas Municipio, 1 km WNW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 36 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 18.0210, -66.7170. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Peñuelas Municipio, PR 1 km (1 mi) ESE of here earthquakes near Peñuelas Municipio
Guayanilla Municipio, PR 9 km (5 mi) ENE of here earthquakes near Guayanilla Municipio
Ponce Municipio, PR 12 km (7 mi) W of here earthquakes near Ponce Municipio
Yauco Municipio, PR 17 km (10 mi) ESE of here earthquakes near Yauco Municipio
Adjuntas Municipio, PR 18 km (11 mi) SSE of here earthquakes near Adjuntas Municipio
Guánica Municipio, PR 23 km (14 mi) ENE of here earthquakes near Guánica Municipio

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

Aftershocks so far

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

  1. 2.1 1 km WNW of Magas Arriba, Puerto Rico
  2. 2.4 2 km S of Indios, Puerto Rico
  3. 2.1 7 km SSW of Indios, Puerto Rico
  4. 2.2 4 km S of Magas Arriba, Puerto Rico
  5. 2.1 7 km WSW of Guánica, Puerto Rico
  6. 2.4 0 km ESE of Potala Pastillo, Puerto Rico
  7. 2.3 0 km ESE of Maria Antonia, Puerto Rico
  8. 3.2 7 km WNW of Maricao, Puerto Rico
  9. 2.4 6 km SE of Maria Antonia, Puerto Rico
  10. 1.7 1 km ESE of Maria Antonia, Puerto Rico
  11. 2.1 4 km ENE of La Parguera, Puerto Rico
  12. 2.3 2 km SSW of Las Marías, Puerto Rico
  13. 2.3 1 km E of Coto Laurel, Puerto Rico
  14. 2.1 2 km SSW of Indios, Puerto Rico
  15. 2.3 2 km SSW of La Parguera, 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 6.4 on 2020-01-07 — it released about 1,400,000 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.