QuakeIndex

Earthquake · reviewed by a seismologist

M 2.4md

3 km NE of Mayagüez, Puerto Rico

· 25 km deep · released about 140 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Añasco Municipio 7 kmHormigueros Municipio 10 kmLas Marías Municipio 15 kmSan Germán Municipio 15 kmMoca Municipio 18 kmAguada Municipio 18 kmRincón Municipio 19 kmSan Sebastián Municipio 20 kmMaricao Municipio 20 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 2.4 (md)
Depth
25 km below the surface
Felt
no reports yet
Nearest
Añasco Municipio, 7 km N
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 3338 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 140 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.4 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 110,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 78,000× the energy of this one
  3. Around the size people start to feel M 3.0 6.9× the energy of this one
  4. This earthquake M 2.4 about 140 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 18.2226, -67.1203. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Añasco Municipio, PR 7 km (5 mi) S of here earthquakes near Añasco Municipio
Hormigueros Municipio, PR 10 km (6 mi) N of here earthquakes near Hormigueros Municipio
Las Marías Municipio, PR 15 km (9 mi) W of here earthquakes near Las Marías Municipio
San Germán Municipio, PR 15 km (10 mi) NW of here earthquakes near San Germán Municipio
Moca Municipio, PR 18 km (11 mi) SSW of here earthquakes near Moca Municipio
Aguada Municipio, PR 18 km (11 mi) SSE of here earthquakes near Aguada Municipio

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

Aftershocks so far

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

  1. 1.9 Mona Passage
  2. 1.9 24 km NW of Rincón, Puerto Rico
  3. 2.6 26 km NW of Rincón, Puerto Rico
  4. 2.0 2 km ESE of La Playa, Puerto Rico
  5. 2.5 2 km N of Tallaboa, Puerto Rico
  6. 2.2 11 km WNW of Puerto Real, Puerto Rico
  7. 2.1 4 km SW of Las Marías, Puerto Rico
  8. 2.6 4 km ENE of Mayagüez, Puerto Rico
  9. 2.1 9 km W of Puerto Real, Puerto Rico
  10. 2.4 7 km W of Mayagüez, Puerto Rico
  11. 2.1 2 km SW of Liborio Negron Torres, Puerto Rico
  12. 2.1 4 km NNW of Las Marías, Puerto Rico
  13. 2.3 1 km NW of Maria Antonia, Puerto Rico
  14. 2.2 4 km W of Las Marías, Puerto Rico
  15. 1.7 1 km SSW of Liborio Negron Torres, 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.