QuakeIndex

Earthquake · reviewed by a seismologist

M 2.5md

2 km ENE of Pájaros, Puerto Rico

· 7.0 km deep · released about 190 lb of TNT

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10 km30 km60 km120 km N Bayamón Municipio 4 kmToa Alta Municipio 6 kmGuaynabo Municipio 9 kmCataño Municipio 9 kmToa Baja Municipio 9 kmNaranjito Municipio 12 kmDorado Municipio 13 kmSan Juan Municipio 14 kmAguas Buenas Municipio 15 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
7.0 km below the surface
Felt
no reports yet
Nearest
Bayamón Municipio, 4 km SE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2707 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 190 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 80,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 57,000× the energy of this one
  3. Around the size people start to feel M 3.0 5.1× the energy of this one
  4. This earthquake M 2.5 about 190 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 18.3756, -66.1895. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Bayamón Municipio, PR 4 km (2 mi) NW of here earthquakes near Bayamón Municipio
Toa Alta Municipio, PR 6 km (4 mi) ENE of here earthquakes near Toa Alta Municipio
Guaynabo Municipio, PR 9 km (5 mi) WNW of here earthquakes near Guaynabo Municipio
Cataño Municipio, PR 9 km (5 mi) SSW of here earthquakes near Cataño Municipio
Toa Baja Municipio, PR 9 km (6 mi) S of here earthquakes near Toa Baja Municipio
Naranjito Municipio, PR 12 km (7 mi) NE of here earthquakes near Naranjito Municipio

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

Aftershocks so far

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

  1. 2.3 25 km N of Brenas, Puerto Rico
  2. 2.0 19 km NNE of Tierras Nuevas Poniente, Puerto Rico
  3. 1.9 5 km SE of La Plena, Puerto Rico
  4. 2.6 13 km NNW of Garrochales, Puerto Rico
  5. 1.7 5 km E of San Juan, Puerto Rico
  6. 2.3 6 km NW of Trujillo Alto, Puerto Rico
  7. 1.7 5 km NNW of Brenas, Puerto Rico
  8. 2.6 3 km WSW of Ciales, Puerto Rico
  9. 2.4 0 km E of Río Lajas, Puerto Rico
  10. 1.5 3 km NE of Río Cañas Abajo, Puerto Rico
  11. 1.8 6 km ESE of Jayuya, Puerto Rico
  12. 1.9 6 km NW of Villalba, Puerto Rico
  13. 2.1 39 km N of Dorado, Puerto Rico
  14. 2.3 27 km N of Brenas, Puerto Rico
  15. 1.8 12 km N of San Juan, 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 2019-03-12 — it released about 1,300 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.