QuakeIndex

Earthquake · reviewed by a seismologist

M 1.7md

2 km NNE of Yauco, Puerto Rico

· 10 km deep · released about 12 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Yauco Municipio 4 kmGuayanilla Municipio 7 kmSabana Grande Municipio 12 kmPeñuelas Municipio 12 kmGuánica Municipio 14 kmMaricao Municipio 17 kmAdjuntas Municipio 17 kmSan Germán Municipio 22 kmLajas Municipio 23 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 1.7 (md)
Depth
10 km below the surface
Felt
no reports yet
Nearest
Yauco Municipio, 4 km NNW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2733 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 12 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.7 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 1,200,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 870,000× the energy of this one
  3. Around the size people start to feel M 3.0 78× the energy of this one
  4. This earthquake M 1.7 about 12 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 18.0526, -66.8410. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Yauco Municipio, PR 4 km (3 mi) SSE of here earthquakes near Yauco Municipio
Guayanilla Municipio, PR 7 km (4 mi) NW of here earthquakes near Guayanilla Municipio
Sabana Grande Municipio, PR 12 km (7 mi) ESE of here earthquakes near Sabana Grande Municipio
Peñuelas Municipio, PR 12 km (8 mi) WNW of here earthquakes near Peñuelas Municipio
Guánica Municipio, PR 14 km (9 mi) NE of here earthquakes near Guánica Municipio
Maricao Municipio, PR 17 km (10 mi) SE of here earthquakes near Maricao Municipio

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

Aftershocks so far

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

  1. 1.9 4 km W of Cayuco, Puerto Rico
  2. 2.1 3 km NE of Pole Ojea, Puerto Rico
  3. 1.7 18 km SSW of Tallaboa, Puerto Rico
  4. 1.6 10 km WNW of Puerto Real, Puerto Rico
  5. 1.9 11 km W of Puerto Real, Puerto Rico
  6. 1.9 11 km E of Maricao, Puerto Rico
  7. 1.6 3 km SSE of Adjuntas, Puerto Rico
  8. 1.6 3 km WNW of Santo Domingo, Puerto Rico
  9. 1.9 10 km WSW of Puerto Real, Puerto Rico
  10. 1.8 5 km SSE of Adjuntas, Puerto Rico
  11. 1.8 5 km S of Adjuntas, Puerto Rico
  12. 1.7 9 km NNW of Puerto Real, Puerto Rico
  13. 2.5 8 km NW of Puerto Real, Puerto Rico
  14. 2.1 8 km NW of Puerto Real, Puerto Rico
  15. 2.6 8 km NW of Puerto Real, 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.