QuakeIndex

Earthquake · reviewed by a seismologist

M 3.2md

5 km SE of Espino, Puerto Rico

· 27 km deep · released about 1 tons of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Añasco Municipio 7 kmLas Marías Municipio 11 kmHormigueros Municipio 13 kmMoca Municipio 14 kmSan Sebastián Municipio 15 kmSan Germán Municipio 16 kmMaricao Municipio 17 kmAguada Municipio 18 kmRincón Municipio 21 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
27 km below the surface
Felt
1 report · strongest reported intensity I
Nearest
Añasco Municipio, 7 km NW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 359 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage. 1 person has reported feeling it to USGS.

How big was it?

This earthquake released about 1 tons 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 7,400× the energy of this one
  3. Magna, Utah 2020 M 5.7 5,200× the energy of this one
  4. This earthquake M 3.2 about 1 tons 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 18.2490, -67.0782. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Añasco Municipio, PR 7 km (4 mi) SE of here earthquakes near Añasco Municipio
Las Marías Municipio, PR 11 km (7 mi) WNW of here earthquakes near Las Marías Municipio
Hormigueros Municipio, PR 13 km (8 mi) NNE of here earthquakes near Hormigueros Municipio
Moca Municipio, PR 14 km (9 mi) S of here earthquakes near Moca Municipio
San Sebastián Municipio, PR 15 km (9 mi) SW of here earthquakes near San Sebastián Municipio
San Germán Municipio, PR 16 km (10 mi) NNW of here earthquakes near San Germán Municipio

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

Aftershocks so far

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

  1. 2.0 3 km SSW of Guánica, Puerto Rico
  2. 2.2 10 km SSE of Maria Antonia, Puerto Rico
  3. 2.4 9 km SSE of Maria Antonia, Puerto Rico
  4. 1.9 9 km SSE of Maria Antonia, Puerto Rico
  5. 1.9 4 km S of Guánica, Puerto Rico
  6. 2.5 4 km SW of Indios, Puerto Rico
  7. 2.4 8 km SSE of La Parguera, Puerto Rico
  8. 2.1 10 km SSE of Maria Antonia, Puerto Rico
  9. 2.2 7 km SSE of Maria Antonia, Puerto Rico
  10. 2.2 2 km WNW of Guayanilla, Puerto Rico
  11. 1.9 1 km SW of Indios, Puerto Rico
  12. 2.8 1 km SW of Palmarejo, Puerto Rico
  13. 2.0 4 km SE of Maria Antonia, Puerto Rico
  14. 2.4 5 km SSE of Maria Antonia, Puerto Rico
  15. 2.6 4 km S of Guánica, 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 59,000 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.