QuakeIndex

Earthquake · reviewed by a seismologist

M 2.5md

2 km WNW of Parcelas Nuevas, Puerto Rico

· 13 km deep · released about 170 lb of TNT

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10 km30 km60 km120 km N Cidra Municipio 5 kmCayey Municipio 6 kmAibonito Municipio 8 kmComerío Municipio 9 kmBarranquitas Municipio 14 kmAguas Buenas Municipio 14 kmCaguas Municipio 17 kmNaranjito Municipio 17 kmCoamo Municipio 18 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
13 km below the surface
Felt
no reports yet
Nearest
Cidra Municipio, 5 km NE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 3411 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 18.1450, -66.1930. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Cidra Municipio, PR 5 km (3 mi) SW of here earthquakes near Cidra Municipio
Cayey Municipio, PR 6 km (4 mi) NW of here earthquakes near Cayey Municipio
Aibonito Municipio, PR 8 km (5 mi) ENE of here earthquakes near Aibonito Municipio
Comerío Municipio, PR 9 km (6 mi) SSE of here earthquakes near Comerío Municipio
Barranquitas Municipio, PR 14 km (9 mi) ESE of here earthquakes near Barranquitas Municipio
Aguas Buenas Municipio, PR 14 km (9 mi) SSW of here earthquakes near Aguas Buenas Municipio

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

Aftershocks so far

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

  1. 3.0 0 km ENE of Río Cañas Abajo, Puerto Rico
  2. 2.6 1 km N of Pueblito del Rio, Puerto Rico
  3. 2.5 1 km ENE of Salinas, Puerto Rico
  4. 2.3 10 km S of Emajagua, Puerto Rico
  5. 2.8 3 km N of San Juan, Puerto Rico
  6. 2.1 4 km SSE of Cayey, Puerto Rico
  7. 2.1 11 km S of Santa Isabel, Puerto Rico
  8. 2.6 13 km S of Santa Isabel, Puerto Rico
  9. 3.1 1 km NW of Bayamón, Puerto Rico
  10. 2.3 1 km S of Río Lajas, Puerto Rico
  11. 3.1 5 km ESE of Cataño, Puerto Rico
  12. 2.9 3 km N of Trujillo Alto, Puerto Rico
  13. 2.4 11 km S of Emajagua, Puerto Rico
  14. 2.1 9 km ESE of Adjuntas, Puerto Rico
  15. 2.2 9 km S of Emajagua, 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 4.6 on 2016-12-05 — it released about 1,400 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.