QuakeIndex

Earthquake · reviewed by a seismologist

M 3.2md

Earthquake near Mucarabones, PR

No earthquake was likely felt in Mucarabones in the 24 hours to 10:10 am AST (14:10 UTC). The last one was M 4.8, 92 km (57 mi) WSW, at 9:19 am AST on 18 September 2026, estimated intensity III (weak) in town; 86 felt reports to USGS. Every earthquake near Mucarabones

This page: a magnitude 3.2 earthquake was recorded 3 km (2 mi) east-southeast of Mucarabones, PR, at 2:41 pm AST on 29 August 2022 (18:41 UTC), 114 km deep.

USGS: 2 km ESE of Mucarabones, Puerto Rico

in Bayamón, PR

2:41 pm AST, Aug 29, 2022 · · 114 km deep · released about 1,700 lb of TNT

Every earthquake near Mucarabones Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Bayamón Municipio 4 kmToa Alta Municipio 6 kmCataño Municipio 8 kmToa Baja Municipio 8 kmGuaynabo Municipio 9 kmNaranjito Municipio 12 kmDorado Municipio 13 kmSan Juan Municipio 13 kmAguas Buenas 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
2:41 pm AST on 29 August 2022 ()
Where
3 km (2 mi) east-southeast of Mucarabones, PR · earthquakes near Mucarabones
Magnitude
M 3.2 (md)
Depth
114 km below the surface
Felt
no reports yet
Nearest
Bayamón Municipio, 4 km SSE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 1535 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage.

At this magnitude and depth it was probably too small to be felt, even directly above it. In Mucarabones, 3 km away, the estimate is intensity I (not felt). Estimated from magnitude, depth and distance with the intensity equation USGS Did You Feel It? uses; felt reports, where there are any, are the measurement.

Earthquakes near other towns within 30 km: Candelaria, Pájaros, Bayamón, Candelaria Arenas, Sabana Seca, Toa Alta.

How big was it?

This earthquake released about 1,700 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 6.7 200,000× the energy of this one
  2. Mineral, Virginia 2011 M 5.8 9,100× the energy of this one
  3. Magna, Utah 2020 M 5.7 6,500× the energy of this one
  4. This earthquake M 3.2 about 1,700 lb of TNT
  5. Around the size people start to feel M 3.0 this one released 1.7× 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.

For this area

No earthquake of M4 or more has been recorded within 50 km since our catalogue begins in 2016.

Before 2016, the USGS record lists 3 earthquakes of M5 or more within 50 km:

  1. 5.8 12 km N of Garrochales, Puerto Rico · 44 km WNW of this epicentre
  2. 5.1 3 km W of Aguas Buenas, Puerto Rico · 15 km SSE of this epicentre
  3. 5.0 3 km N of Brenas, Puerto Rico · 21 km NW of this epicentre

Since 2016: the QuakeIndex catalogue (US, M1.5+), built from the USGS FDSN event service. Before 2016: USGS ComCat, M5+ from 1900. Distances are between epicentres. This is the record, not a forecast.

Where

Epicentre 18.3822, -66.1897. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Bayamón Municipio, PR 4 km (3 mi) SSE earthquakes near Bayamón Municipio
Toa Alta Municipio, PR 6 km (4 mi) WSW earthquakes near Toa Alta Municipio
Cataño Municipio, PR 8 km (5 mi) NNE earthquakes near Cataño Municipio
Toa Baja Municipio, PR 8 km (5 mi) N earthquakes near Toa Baja Municipio
Guaynabo Municipio, PR 9 km (6 mi) ESE earthquakes near Guaynabo Municipio
Naranjito Municipio, PR 12 km (8 mi) SSW earthquakes near Naranjito Municipio

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

Aftershocks so far

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

  1. 3.0 11 km NNW of Brenas, Puerto Rico
  2. 2.8 5 km NNW of Dorado, Puerto Rico
  3. 2.2 3 km N of Orocovis, Puerto Rico
  4. 2.3 3 km ESE of Salinas, Puerto Rico
  5. 3.6 1 km NNW of San José, Puerto Rico
  6. 3.0 3 km ESE of Cayey, Puerto Rico
  7. 3.0 3 km E of Cayey, Puerto Rico
  8. 1.8 2 km SW of G. L. Garcia, Puerto Rico
  9. 2.1 3 km ENE of Mariano Colón, Puerto Rico
  10. 2.5 6 km NNW of Los Llanos, Puerto Rico
  11. 2.7 4 km SE of Morovis, Puerto Rico
  12. 3.1 1 km E of Salinas, Puerto Rico
  13. 3.8 5 km ENE of San Juan, Puerto Rico
  14. 2.2 Puerto Rico region
  15. 2.6 2 km ENE of Bayamon, 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.