QuakeIndex

Earthquake · reviewed by a seismologist

M 2.5md

9 km S of Tallaboa, Puerto Rico

· 5.0 km deep · released about 140 lb of TNT

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10 km30 km60 km120 km N Peñuelas Municipio 13 kmGuayanilla Municipio 13 kmPonce Municipio 15 kmGuánica Municipio 22 kmYauco Municipio 24 kmJuana Díaz Municipio 26 kmAdjuntas Municipio 30 kmSabana Grande Municipio 31 kmLajas Municipio 35 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
5.0 km below the surface
Felt
1 report · strongest reported intensity II
Nearest
Peñuelas Municipio, 13 km N
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2369 days ago

This was a minor earthquake. Quakes this small are rarely felt and do not cause damage. 1 person has reported feeling it to USGS.

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 3.5 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 75,000× the energy of this one
  3. Around the size people start to feel M 3.0 6.7× the energy of this one
  4. This earthquake M 2.5 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 17.9123, -66.7176. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Peñuelas Municipio, PR 13 km (8 mi) S of here earthquakes near Peñuelas Municipio
Guayanilla Municipio, PR 13 km (8 mi) SE of here earthquakes near Guayanilla Municipio
Ponce Municipio, PR 15 km (10 mi) SW of here earthquakes near Ponce Municipio
Guánica Municipio, PR 22 km (14 mi) E of here earthquakes near Guánica Municipio
Yauco Municipio, PR 24 km (15 mi) SE of here earthquakes near Yauco Municipio
Juana Díaz Municipio, PR 26 km (16 mi) WSW of here earthquakes near Juana Díaz Municipio

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

Aftershocks so far

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

  1. 1.6 9 km S of Indios, Puerto Rico
  2. 2.7 4 km SSE of Guánica, Puerto Rico
  3. 2.0 7 km SSE of Indios, Puerto Rico
  4. 2.9 9 km SSW of Ponce, Puerto Rico
  5. 2.2 12 km SSE of Indios, Puerto Rico
  6. 3.1 7 km SSE of Guánica, Puerto Rico
  7. 2.6 3 km SE of Maria Antonia, Puerto Rico
  8. 3.0 3 km SE of Maria Antonia, Puerto Rico
  9. 1.8 Puerto Rico region
  10. 2.9 10 km SSE of Indios, Puerto Rico
  11. 2.2 2 km SSW of Guánica, Puerto Rico
  12. 2.3 2 km SSW of Magas Arriba, Puerto Rico
  13. 2.1 12 km SSE of Maria Antonia, Puerto Rico
  14. 2.6 9 km SSE of Tallaboa, Puerto Rico
  15. 2.7 4 km SSE of Tallaboa, 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.

For this area

The largest earthquake within 50 km in our catalogue was M 6.4 on 2020-01-07 — it released about 840,000 times the energy of this one.

From the QuakeIndex catalogue, built from the USGS FDSN event service.

On USGS

QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.