QuakeIndex

Earthquake · reviewed by a seismologist

M 1.7md

8 km S of Villalba, Puerto Rico

· 27 km deep · released about 11 lb of TNT

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10 km30 km60 km120 km N Orocovis Municipio 6 kmVillalba Municipio 8 kmJayuya Municipio 10 kmCiales Municipio 11 kmMorovis Municipio 15 kmCoamo Municipio 18 kmBarranquitas Municipio 19 kmFlorida Municipio 20 kmCorozal 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 1.7 (md)
Depth
27 km below the surface
Felt
no reports yet
Nearest
Orocovis Municipio, 6 km ENE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2957 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 11 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 1,400,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 1,000,000× the energy of this one
  3. Around the size people start to feel M 3.0 89× the energy of this one
  4. This earthquake M 1.7 about 11 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 18.2005, -66.4903. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Orocovis Municipio, PR 6 km (4 mi) WSW of here earthquakes near Orocovis Municipio
Villalba Municipio, PR 8 km (5 mi) NNW of here earthquakes near Villalba Municipio
Jayuya Municipio, PR 10 km (6 mi) E of here earthquakes near Jayuya Municipio
Ciales Municipio, PR 11 km (7 mi) SSE of here earthquakes near Ciales Municipio
Morovis Municipio, PR 15 km (9 mi) SSW of here earthquakes near Morovis Municipio
Coamo Municipio, PR 18 km (11 mi) NW of here earthquakes near Coamo Municipio

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

Aftershocks so far

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

  1. 2.7 6 km NW of Sabana, Puerto Rico
  2. 2.4 2 km SSE of Cidra, Puerto Rico
  3. 2.0 9 km SSE of Indios, Puerto Rico
  4. 2.5 3 km WSW of Sumidero, Puerto Rico
  5. 2.1 11 km SSW of Potala Pastillo, Puerto Rico
  6. 1.5 9 km SSE of Tallaboa, Puerto Rico
  7. 1.7 10 km SSE of Tallaboa, Puerto Rico
  8. 1.9 6 km N of Ponce, Puerto Rico
  9. 2.5 8 km NNE of Brenas, Puerto Rico
  10. 1.7 5 km SW of Adjuntas, Puerto Rico
  11. 1.9 6 km SE of Maricao, Puerto Rico
  12. 1.9 0 km SW of Santo Domingo, Puerto Rico
  13. 1.8 3 km SW of Indios, Puerto Rico
  14. 2.4 18 km NNW of Brenas, Puerto Rico
  15. 2.1 1 km E of Maria Antonia, 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.