QuakeIndex

Earthquake · reviewed by a seismologist

M 1.9md

4 km E of Barranquitas, Puerto Rico

· 8.0 km deep · released about 25 lb of TNT

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10 km30 km60 km120 km N Barranquitas Municipio 5 kmAibonito Municipio 6 kmComerío Municipio 7 kmCidra Municipio 11 kmNaranjito Municipio 12 kmCoamo Municipio 13 kmCorozal Municipio 15 kmCayey Municipio 15 kmAguas Buenas Municipio 17 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 1.9 (md)
Depth
8.0 km below the surface
Felt
no reports yet
Nearest
Barranquitas Municipio, 5 km WNW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2822 days ago

This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.

How big was it?

This earthquake released about 25 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.0 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 600,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 420,000× the energy of this one
  3. Around the size people start to feel M 3.0 38× the energy of this one
  4. This earthquake M 1.9 about 25 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 18.1833, -66.2666. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Barranquitas Municipio, PR 5 km (3 mi) ESE of here earthquakes near Barranquitas Municipio
Aibonito Municipio, PR 6 km (4 mi) N of here earthquakes near Aibonito Municipio
Comerío Municipio, PR 7 km (4 mi) SW of here earthquakes near Comerío Municipio
Cidra Municipio, PR 11 km (7 mi) W of here earthquakes near Cidra Municipio
Naranjito Municipio, PR 12 km (7 mi) S of here earthquakes near Naranjito Municipio
Coamo Municipio, PR 13 km (8 mi) NE of here earthquakes near Coamo Municipio

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

Aftershocks so far

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

  1. 2.0 0 km SSE of Playita Cortada, Puerto Rico
  2. 1.6 5 km SE of Arroyo, Puerto Rico
  3. 2.3 4 km NW of Palomas, Puerto Rico
  4. 2.3 Puerto Rico region
  5. 2.3 6 km NE of Villalba, Puerto Rico
  6. 2.6 8 km NNW of Tierras Nuevas Poniente, Puerto Rico
  7. 2.5 1 km ESE of Salinas, Puerto Rico
  8. 1.9 2 km WNW of Las Ollas, Puerto Rico
  9. 1.8 8 km SSW of Ciales, Puerto Rico
  10. 1.6 7 km NNE of Tallaboa Alta, Puerto Rico
  11. 1.8 9 km SSW of Emajagua, Puerto Rico
  12. 1.7 5 km ENE of Adjuntas, Puerto Rico
  13. 1.9 3 km ENE of Bairoa, Puerto Rico
  14. 2.2 1 km NW of Sumidero, Puerto Rico
  15. 2.7 2 km SW of H. Rivera Colon, 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.