QuakeIndex

Earthquake · reviewed by a seismologist

M 3.2md

13 km S of Potala Pastillo, Puerto Rico

· 18 km deep · released about 2,000 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Juana Díaz Municipio 15 kmSanta Isabel Municipio 16 kmPonce Municipio 19 kmSalinas Municipio 28 kmPeñuelas Municipio 30 kmVillalba Municipio 30 kmCoamo Municipio 31 kmGuayanilla Municipio 35 kmAibonito Municipio 39 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 3.2 (md)
Depth
18 km below the surface
Felt
no reports yet
Nearest
Juana Díaz Municipio, 15 km N
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 3011 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 2,000 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 4.2 would have released about 32 times as much.

  1. Northridge, California 1994 M 6.7 170,000× the energy of this one
  2. Mineral, Virginia 2011 M 5.8 7,700× the energy of this one
  3. Magna, Utah 2020 M 5.7 5,400× the energy of this one
  4. This earthquake M 3.2 about 2,000 lb of TNT
  5. Around the size people start to feel M 3.0 this one released 2.1× 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 17.8656, -66.5060. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Juana Díaz Municipio, PR 15 km (9 mi) S of here earthquakes near Juana Díaz Municipio
Santa Isabel Municipio, PR 16 km (10 mi) SW of here earthquakes near Santa Isabel Municipio
Ponce Municipio, PR 19 km (11 mi) SE of here earthquakes near Ponce Municipio
Salinas Municipio, PR 28 km (18 mi) WSW of here earthquakes near Salinas Municipio
Peñuelas Municipio, PR 30 km (18 mi) SE of here earthquakes near Peñuelas Municipio
Villalba Municipio, PR 30 km (18 mi) S of here earthquakes near Villalba Municipio

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

Aftershocks so far

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

  1. 2.0 4 km SE of Ponce, Puerto Rico
  2. 1.7 3 km ESE of Ponce, Puerto Rico
  3. 1.9 5 km ESE of Ponce, Puerto Rico
  4. 2.0 8 km WSW of Adjuntas, Puerto Rico
  5. 2.2 4 km SW of Comerío, Puerto Rico
  6. 1.8 Puerto Rico region
  7. 1.9 4 km ESE of Ponce, Puerto Rico
  8. 2.4 5 km SE of Ponce, Puerto Rico
  9. 2.1 5 km SE of Ponce, Puerto Rico
  10. 1.9 4 km ESE of Ponce, Puerto Rico
  11. 1.9 4 km SW of Coto Laurel, Puerto Rico
  12. 1.7 1 km S of Capitanejo, Puerto Rico
  13. 2.0 2 km SE of Ponce, Puerto Rico
  14. 2.3 4 km SE of Ponce, Puerto Rico
  15. 2.3 5 km SSW of Capitanejo, 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.