QuakeIndex

Earthquake · reviewed by a seismologist

M 2.5md

21 km S of Indios, Puerto Rico

· 5.8 km deep · released about 170 lb of TNT

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10 km30 km60 km120 km N Guánica Municipio 21 kmGuayanilla Municipio 23 kmPeñuelas Municipio 27 kmPonce Municipio 31 kmLajas Municipio 32 kmYauco Municipio 33 kmSabana Grande Municipio 35 kmJuana Díaz Municipio 40 kmSan Germán Municipio 42 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
5.8 km below the surface
Felt
no reports yet
Nearest
Guánica Municipio, 21 km NW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 973 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 17.7960, -66.8060. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Guánica Municipio, PR 21 km (13 mi) SE of here earthquakes near Guánica Municipio
Guayanilla Municipio, PR 23 km (14 mi) S of here earthquakes near Guayanilla Municipio
Peñuelas Municipio, PR 27 km (17 mi) SSW of here earthquakes near Peñuelas Municipio
Ponce Municipio, PR 31 km (19 mi) SW of here earthquakes near Ponce Municipio
Lajas Municipio, PR 32 km (20 mi) SE of here earthquakes near Lajas Municipio
Yauco Municipio, PR 33 km (20 mi) S of here earthquakes near Yauco Municipio

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

Aftershocks so far

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

  1. 2.5 0 km WSW of Indios, Puerto Rico
  2. 2.5 0 km WNW of Indios, Puerto Rico
  3. 2.4 0 km SW of Fuig, Puerto Rico
  4. 2.2 9 km SSE of Maria Antonia, Puerto Rico
  5. 2.3 4 km SSE of Maria Antonia, Puerto Rico
  6. 2.7 10 km SSW of Guánica, Puerto Rico
  7. 2.4 13 km SSE of Guánica, Puerto Rico
  8. 1.7 7 km S of Indios, Puerto Rico
  9. 2.0 3 km WSW of Sabana Grande, Puerto Rico
  10. 2.5 1 km SSW of Indios, Puerto Rico
  11. 2.5 1 km W of Indios, Puerto Rico
  12. 2.1 2 km W of Fuig, Puerto Rico
  13. 2.6 4 km NNE of Sabana Grande, Puerto Rico
  14. 2.6 1 km SE of Magas Arriba, Puerto Rico
  15. 2.1 8 km SW of Guánica, 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 710,000 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.