QuakeIndex

Earthquake · reviewed by a seismologist

M 3.2md

58 km S of Jobos, Puerto Rico

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

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Guayama Municipio 61 kmArroyo Municipio 61 kmSalinas Municipio 62 kmSanta Isabel Municipio 65 kmPatillas Municipio 65 kmMaunabo Municipio 68 kmJuana Díaz Municipio 74 kmCayey Municipio 75 kmYabucoa Municipio 75 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
22 km below the surface
Felt
no reports yet
Nearest
Guayama Municipio, 61 km N
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2078 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 17.4301, -66.1183. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Guayama Municipio, PR 61 km (38 mi) S of here earthquakes near Guayama Municipio
Arroyo Municipio, PR 61 km (38 mi) S of here earthquakes near Arroyo Municipio
Salinas Municipio, PR 62 km (39 mi) SSE of here earthquakes near Salinas Municipio
Santa Isabel Municipio, PR 65 km (40 mi) SSE of here earthquakes near Santa Isabel Municipio
Patillas Municipio, PR 65 km (40 mi) SSW of here earthquakes near Patillas Municipio
Maunabo Municipio, PR 68 km (42 mi) SSW of here earthquakes near Maunabo Municipio

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

Aftershocks so far

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

  1. 2.8 13 km SSE of Central Aguirre, Puerto Rico
  2. 3.1 9 km S of Jobos, Puerto Rico
  3. 3.4 16 km SSE of Central Aguirre, Puerto Rico
  4. 3.3 27 km SSE of Jobos, Puerto Rico
  5. 3.4 18 km S of Jobos, Puerto Rico
  6. 2.5 23 km S of Arroyo, Puerto Rico
  7. 3.0 54 km S of Emajagua, Puerto Rico
  8. 2.5 17 km S of Jobos, Puerto Rico
  9. 2.4 23 km S of Arroyo, Puerto Rico
  10. 3.5 10 km S of Central Aguirre, Puerto Rico
  11. 3.1 12 km S of Central Aguirre, Puerto Rico
  12. 2.8 10 km S of Central Aguirre, Puerto Rico
  13. 2.9 20 km SSE of Jauca, Puerto Rico
  14. 3.4 55 km SSW of Santa Isabel, Puerto Rico
  15. 2.6 40 km S of Central Aguirre, 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.