QuakeIndex

Earthquake · reviewed by a seismologist

M 2.7md

14 km NE of Luquillo, Puerto Rico

· 111 km deep · released about 290 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Fajardo Municipio 12 kmLuquillo Municipio 15 kmRío Grande Municipio 21 kmCeiba Municipio 25 kmCanóvanas Municipio 31 kmNaguabo Municipio 32 kmLoíza Municipio 33 kmCarolina Municipio 36 kmCulebra Municipio 39 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
111 km below the surface
Felt
no reports yet
Nearest
Fajardo Municipio, 12 km SSE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2739 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 290 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 51,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 36,000× the energy of this one
  3. Around the size people start to feel M 3.0 3.2× the energy of this one
  4. This earthquake M 2.7 about 290 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 18.4798, -65.6363. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Fajardo Municipio, PR 12 km (7 mi) NNW of here earthquakes near Fajardo Municipio
Luquillo Municipio, PR 15 km (9 mi) NNE of here earthquakes near Luquillo Municipio
Río Grande Municipio, PR 21 km (13 mi) NE of here earthquakes near Río Grande Municipio
Ceiba Municipio, PR 25 km (16 mi) N of here earthquakes near Ceiba Municipio
Canóvanas Municipio, PR 31 km (19 mi) ENE of here earthquakes near Canóvanas Municipio
Naguabo Municipio, PR 32 km (20 mi) NNE of here earthquakes near Naguabo Municipio

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

Aftershocks so far

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

  1. 2.7 3 km E of Ceiba, Puerto Rico
  2. 2.5 36 km NNE of Suárez, Puerto Rico
  3. 1.9 20 km NNE of Luquillo, Puerto Rico
  4. 2.1 2 km ENE of Celada, Puerto Rico
  5. 2.2 44 km NE of Luquillo, Puerto Rico
  6. 2.1 37 km NNW of Culebra, Puerto Rico
  7. 1.7 5 km E of San Juan, Puerto Rico
  8. 2.3 6 km NW of Trujillo Alto, Puerto Rico
  9. 2.4 42 km NNW of Culebra, Puerto Rico
  10. 2.8 12 km SSE of Punta Santiago, Puerto Rico
  11. 3.5 32 km N of Culebra, Puerto Rico
  12. 2.3 47 km NNE of Vieques, Puerto Rico
  13. 1.9 25 km N of Loíza, Puerto Rico
  14. 2.6 11 km WNW of Isabel Segunda, Puerto Rico
  15. 1.5 2 km NNE of San Lorenzo, 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.