QuakeIndex

Earthquake · reviewed by a seismologist

M 1.7md

6 km ESE of Jayuya, Puerto Rico

· 21 km deep · released about 9.6 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Jayuya Municipio 6 kmVillalba Municipio 9 kmOrocovis Municipio 11 kmCiales Municipio 12 kmMorovis Municipio 18 kmFlorida Municipio 20 kmUtuado Municipio 20 kmCoamo Municipio 21 kmJuana Díaz Municipio 22 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 1.7 (md)
Depth
21 km below the surface
Felt
no reports yet
Nearest
Jayuya Municipio, 6 km WNW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2720 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 9.6 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.7 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 1,600,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 1,100,000× the energy of this one
  3. Around the size people start to feel M 3.0 99× the energy of this one
  4. This earthquake M 1.7 about 9.6 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 18.1925, -66.5338. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Jayuya Municipio, PR 6 km (4 mi) ESE of here earthquakes near Jayuya Municipio
Villalba Municipio, PR 9 km (6 mi) NW of here earthquakes near Villalba Municipio
Orocovis Municipio, PR 11 km (7 mi) WSW of here earthquakes near Orocovis Municipio
Ciales Municipio, PR 12 km (7 mi) S of here earthquakes near Ciales Municipio
Morovis Municipio, PR 18 km (11 mi) SW of here earthquakes near Morovis Municipio
Florida Municipio, PR 20 km (12 mi) S of here earthquakes near Florida Municipio

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

Aftershocks so far

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

  1. 1.9 1 km NE of Jobos, Puerto Rico
  2. 2.5 5 km ESE of Piedra Gorda, Puerto Rico
  3. 1.8 4 km W of Capitanejo, Puerto Rico
  4. 2.1 1 km N of Aguilita, Puerto Rico
  5. 2.3 0 km ENE of Jobos, Puerto Rico
  6. 2.1 0 km E of Yauco, Puerto Rico
  7. 1.6 5 km S of Piedra Gorda, Puerto Rico
  8. 1.8 3 km N of Yauco, Puerto Rico
  9. 1.5 5 km SE of Adjuntas, Puerto Rico
  10. 2.0 8 km NE of Tierras Nuevas Poniente, Puerto Rico
  11. 1.6 7 km NE of Sabana Grande, Puerto Rico
  12. 2.0 4 km SE of Maria Antonia, Puerto Rico
  13. 1.9 3 km S of Maricao, Puerto Rico
  14. 1.8 3 km SW of Maricao, Puerto Rico
  15. 2.9 8 km N of Arecibo, 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 25,000 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.