QuakeIndex

Earthquake · reviewed by a seismologist

M 2.5Md

4 km NW of Quebradillas, Puerto Rico

· 15 km deep · released about 170 lb of TNT

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10 km30 km60 km120 km N Isabela Municipio 6 kmQuebradillas Municipio 6 kmCamuy Municipio 13 kmMoca Municipio 19 kmAguadilla Municipio 19 kmHatillo Municipio 19 kmSan Sebastián Municipio 19 kmAguada Municipio 27 kmLares Municipio 27 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 2.5 (Md)
Depth
15 km below the surface
Felt
no reports yet
Nearest
Isabela Municipio, 6 km WSW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 3663 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 170 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.5 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 89,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 63,000× the energy of this one
  3. Around the size people start to feel M 3.0 5.6× the energy of this one
  4. This earthquake M 2.5 about 170 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 18.5058, -66.9661. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Isabela Municipio, PR 6 km (3 mi) ENE of here earthquakes near Isabela Municipio
Quebradillas Municipio, PR 6 km (4 mi) NW of here earthquakes near Quebradillas Municipio
Camuy Municipio, PR 13 km (8 mi) WNW of here earthquakes near Camuy Municipio
Moca Municipio, PR 19 km (12 mi) NE of here earthquakes near Moca Municipio
Aguadilla Municipio, PR 19 km (12 mi) E of here earthquakes near Aguadilla Municipio
Hatillo Municipio, PR 19 km (12 mi) WNW of here earthquakes near Hatillo 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. 2.1 5 km W of Rincón, Puerto Rico
  2. 2.7 29 km NW of Aguadilla, Puerto Rico
  3. 2.7 25 km NW of San Antonio, Puerto Rico
  4. 1.6 9 km ENE of Sabana Grande, Puerto Rico
  5. 2.6 39 km NNW of San Antonio, Puerto Rico
  6. 1.9 0 km SSE of Las Marias, Puerto Rico
  7. 2.7 42 km N of Hatillo, Puerto Rico
  8. 2.3 9 km NW of Rincón, Puerto Rico
  9. 1.7 1 km WSW of San Sebastián, Puerto Rico
  10. 2.7 13 km NNW of Isabela, Puerto Rico
  11. 2.6 23 km NNW of Tierras Nuevas Poniente, Puerto Rico
  12. 2.6 5 km W of Cayuco, Puerto Rico
  13. 2.0 0 km SW of Rincón, Puerto Rico
  14. 2.5 35 km N of Hatillo, Puerto Rico
  15. 2.5 47 km N of Isabela, 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.