QuakeIndex

Earthquake · reviewed by a seismologist

M 2.7Md

1 km SSE of Corozal, Puerto Rico

· 59 km deep · released about 340 lb of TNT

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10 km30 km60 km120 km N Corozal Municipio 3 kmNaranjito Municipio 7 kmToa Alta Municipio 8 kmMorovis Municipio 11 kmVega Alta Municipio 12 kmBarranquitas Municipio 14 kmComerío Municipio 15 kmBayamón Municipio 15 kmVega Baja Municipio 17 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 2.7 (Md)
Depth
59 km below the surface
Felt
no reports yet
Nearest
Corozal Municipio, 3 km SSW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 3590 days ago

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

How big was it?

This earthquake released about 340 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.7 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 45,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 32,000× the energy of this one
  3. Around the size people start to feel M 3.0 2.8× the energy of this one
  4. This earthquake M 2.7 about 340 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 18.3271, -66.3123. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Corozal Municipio, PR 3 km (2 mi) NNE of here earthquakes near Corozal Municipio
Naranjito Municipio, PR 7 km (5 mi) WNW of here earthquakes near Naranjito Municipio
Toa Alta Municipio, PR 8 km (5 mi) WSW of here earthquakes near Toa Alta Municipio
Morovis Municipio, PR 11 km (7 mi) E of here earthquakes near Morovis Municipio
Vega Alta Municipio, PR 12 km (8 mi) SSE of here earthquakes near Vega Alta Municipio
Barranquitas Municipio, PR 14 km (9 mi) N of here earthquakes near Barranquitas Municipio

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

Aftershocks so far

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

  1. 2.4 4 km ESE of Villalba, Puerto Rico
  2. 2.7 1 km WNW of Potala Pastillo, Puerto Rico
  3. 2.7 10 km NNE of Arecibo, Puerto Rico
  4. 2.4 3 km NNW of Jagual, Puerto Rico
  5. 2.5 7 km NNW of Trujillo Alto, Puerto Rico
  6. 3.0 5 km SE of Pájaros, Puerto Rico
  7. 2.6 4 km S of G. L. Garcia, Puerto Rico
  8. 2.5 Puerto Rico region
  9. 3.9 6 km WNW of Aguas Buenas, Puerto Rico
  10. 2.0 0 km SSW of Las Ollas, Puerto Rico
  11. 2.7 9 km N of Animas, Puerto Rico
  12. 2.3 6 km N of Yaurel, Puerto Rico
  13. 2.2 6 km N of Yaurel, Puerto Rico
  14. 3.0 5 km NNW of Yaurel, Puerto Rico
  15. 3.0 5 km SSE of G. L. Garcia, 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.