QuakeIndex

Earthquake · reviewed by a seismologist

M 2.6md

13 km S of Santa Isabel, Puerto Rico

· 11 km deep · released about 230 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Santa Isabel Municipio 12 kmJuana Díaz Municipio 20 kmSalinas Municipio 21 kmPonce Municipio 28 kmCoamo Municipio 29 kmGuayama Municipio 32 kmVillalba Municipio 33 kmAibonito Municipio 35 kmCayey 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 2.6 (md)
Depth
11 km below the surface
Felt
no reports yet
Nearest
Santa Isabel Municipio, 12 km N
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 3325 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 230 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.6 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 65,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 46,000× the energy of this one
  3. Around the size people start to feel M 3.0 4.1× the energy of this one
  4. This earthquake M 2.6 about 230 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 17.8428, -66.4033. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Santa Isabel Municipio, PR 12 km (8 mi) S of here earthquakes near Santa Isabel Municipio
Juana Díaz Municipio, PR 20 km (12 mi) SSE of here earthquakes near Juana Díaz Municipio
Salinas Municipio, PR 21 km (13 mi) SW of here earthquakes near Salinas Municipio
Ponce Municipio, PR 28 km (17 mi) SE of here earthquakes near Ponce Municipio
Coamo Municipio, PR 29 km (18 mi) S of here earthquakes near Coamo Municipio
Guayama Municipio, PR 32 km (20 mi) WSW of here earthquakes near Guayama Municipio

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

Aftershocks so far

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

  1. 2.4 37 km S of Santa Isabel, Puerto Rico
  2. 2.3 4 km SW of Capitanejo, Puerto Rico
  3. 2.0 2 km WNW of Tallaboa, Puerto Rico
  4. 2.2 1 km WSW of Magas Arriba, Puerto Rico
  5. 2.6 3 km SE of Magas Arriba, Puerto Rico
  6. 2.5 2 km N of Tallaboa, Puerto Rico
  7. 2.8 21 km SSE of Arroyo, Puerto Rico
  8. 2.5 5 km ESE of G. L. Garcia, Puerto Rico
  9. 2.4 22 km SSE of Arroyo, Puerto Rico
  10. 2.8 43 km SSW of Potala Pastillo, Puerto Rico
  11. 2.9 21 km S of Lamboglia, Puerto Rico
  12. 1.8 22 km S of Jobos, Puerto Rico
  13. 2.5 23 km SSE of Arroyo, Puerto Rico
  14. 2.4 20 km SSE of Jobos, Puerto Rico
  15. 2.4 3 km S of Salinas, 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.