QuakeIndex

Earthquake · reviewed by a seismologist

M 2.4md

13 km NE of Luquillo, Puerto Rico

· 83 km deep · released about 140 lb of TNT

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10 km30 km60 km120 km N Fajardo Municipio 8 kmLuquillo Municipio 14 kmRío Grande Municipio 21 kmCeiba Municipio 23 kmNaguabo Municipio 30 kmCanóvanas Municipio 31 kmLoíza Municipio 34 kmCulebra Municipio 36 kmCarolina Municipio 38 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 2.4 (md)
Depth
83 km below the surface
Felt
no reports yet
Nearest
Fajardo Municipio, 8 km SSE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2947 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 140 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.4 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 110,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 78,000× the energy of this one
  3. Around the size people start to feel M 3.0 6.9× the energy of this one
  4. This earthquake M 2.4 about 140 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 18.4563, -65.6188. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Fajardo Municipio, PR 8 km (5 mi) NNW of here earthquakes near Fajardo Municipio
Luquillo Municipio, PR 14 km (9 mi) NE of here earthquakes near Luquillo Municipio
Río Grande Municipio, PR 21 km (13 mi) ENE of here earthquakes near Río Grande Municipio
Ceiba Municipio, PR 23 km (14 mi) N of here earthquakes near Ceiba Municipio
Naguabo Municipio, PR 30 km (19 mi) NNE of here earthquakes near Naguabo Municipio
Canóvanas Municipio, PR 31 km (20 mi) ENE of here earthquakes near Canóvanas Municipio

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

Aftershocks so far

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

  1. 2.2 Puerto Rico region
  2. 2.6 3 km NNW of Benitez, Puerto Rico
  3. 1.8 31 km N of Loíza, Puerto Rico
  4. 2.8 23 km NNE of Luquillo, Puerto Rico
  5. 2.5 28 km N of Culebra, Puerto Rico
  6. 2.9 28 km NNE of Luquillo, Puerto Rico
  7. 2.6 17 km NNE of Vieques, Puerto Rico
  8. 3.1 4 km NNE of Bairoa, Puerto Rico
  9. 2.4 46 km NNE of Luquillo, Puerto Rico
  10. 3.2 39 km N of Culebra, Puerto Rico
  11. 1.9 36 km NNE of Luquillo, Puerto Rico
  12. 2.7 5 km ESE of San Juan, Puerto Rico
  13. 2.9 37 km NNE of Culebra, Puerto Rico
  14. 2.3 28 km N of Loíza, 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.