QuakeIndex

Earthquake · reviewed by a seismologist

M 2.2md

3 km SSW of Pastos, Puerto Rico

· 52 km deep · released about 56 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Aibonito Municipio 5 kmCoamo Municipio 9 kmBarranquitas Municipio 13 kmSalinas Municipio 13 kmCayey Municipio 13 kmCidra Municipio 16 kmComerío Municipio 16 kmSanta Isabel Municipio 19 kmGuayama Municipio 20 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 2.2 (md)
Depth
52 km below the surface
Felt
no reports yet
Nearest
Aibonito Municipio, 5 km NNE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2874 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 56 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.2 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 270,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 190,000× the energy of this one
  3. Around the size people start to feel M 3.0 17× the energy of this one
  4. This earthquake M 2.2 about 56 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 18.0890, -66.2776. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Aibonito Municipio, PR 5 km (3 mi) SSW of here earthquakes near Aibonito Municipio
Coamo Municipio, PR 9 km (5 mi) E of here earthquakes near Coamo Municipio
Barranquitas Municipio, PR 13 km (8 mi) SSE of here earthquakes near Barranquitas Municipio
Salinas Municipio, PR 13 km (8 mi) N of here earthquakes near Salinas Municipio
Cayey Municipio, PR 13 km (8 mi) W of here earthquakes near Cayey Municipio
Cidra Municipio, PR 16 km (10 mi) SW of here earthquakes near Cidra Municipio

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

Aftershocks so far

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

  1. 1.9 2 km WSW of Tallaboa, Puerto Rico
  2. 2.2 8 km S of Tallaboa, Puerto Rico
  3. 1.8 7 km S of Tallaboa, Puerto Rico
  4. 1.7 7 km S of Tallaboa, Puerto Rico
  5. 1.6 8 km S of Tallaboa, Puerto Rico
  6. 1.8 1 km NW of H. Rivera Colon, Puerto Rico
  7. 1.6 3 km SE of Santa Isabel, Puerto Rico
  8. 2.3 2 km SSW of Adjuntas, Puerto Rico
  9. 2.9 2 km ESE of H. Rivera Colon, Puerto Rico
  10. 2.3 4 km ESE of Ponce, Puerto Rico
  11. 2.0 Puerto Rico region
  12. 1.6 4 km SSW of Playita Cortada, Puerto Rico
  13. 1.9 3 km ESE of Ponce, Puerto Rico
  14. 1.7 8 km S of Emajagua, Puerto Rico
  15. 2.5 9 km SSW of Arroyo, 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 4,300 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.