QuakeIndex

Earthquake · reviewed by a seismologist

M 2.5md

Earthquake near Jayuya, PR

No earthquake was likely felt in Jayuya in the 24 hours to 12:50 pm AST (16:50 UTC). The last one was M 3.3, 43 km (27 mi) SSE, at 8:40 am AST on 1 November 2026, estimated intensity II (weak) in town. Every earthquake near Jayuya

This page: a magnitude 2.5 earthquake was recorded 7 km (4 mi) east of Jayuya, PR, at 10:45 pm AST on 6 July 2018 (02:45 UTC), 87 km deep.

USGS: 7 km E of Jayuya, Puerto Rico

53 km (33 mi) WSW of San Juan, PR · 26 km (16 mi) NNE of Ponce, PR

10:45 pm AST, Jul 6, 2018 · · 87 km deep · released about 140 lb of TNT

Every earthquake near Jayuya Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Jayuya Municipio 7 kmCiales Municipio 9 kmOrocovis Municipio 9 kmVillalba Municipio 11 kmMorovis Municipio 16 kmFlorida Municipio 18 kmUtuado Municipio 20 kmCoamo Municipio 21 kmBarranquitas Municipio 23 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
10:45 pm AST on 6 July 2018 ()
Where
7 km (4 mi) east of Jayuya, PR · earthquakes near Jayuya
Magnitude
M 2.5 (md)
Depth
87 km below the surface
Felt
no reports yet
Nearest
Jayuya Municipio, 7 km W
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 3050 days ago

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

At this magnitude and depth it was probably too small to be felt, even directly above it. In Jayuya, 7 km away, the estimate is intensity I (not felt). Estimated from magnitude, depth and distance with the intensity equation USGS Did You Feel It? uses; felt reports, where there are any, are the measurement.

Earthquakes near other towns within 30 km: Villalba, Guayabal, Ciales, Florida, Luis Llorens Torres, Franquez.

How big was it?

This earthquake released about 140 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 5.8 110,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 75,000× the energy of this one
  3. Around the size people start to feel M 3.0 6.7× the energy of this one
  4. This earthquake M 2.5 about 140 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.

For this area

No earthquake of M4 or more has been recorded within 50 km since our catalogue begins in 2016.

Before 2016, the USGS record lists 3 earthquakes of M5 or more within 50 km:

  1. 5.8 12 km N of Garrochales, Puerto Rico · 39 km N of this epicentre
  2. 5.1 3 km W of Aguas Buenas, Puerto Rico · 41 km E of this epicentre
  3. 5.0 3 km N of Brenas, Puerto Rico · 37 km NNE of this epicentre

Since 2016: the QuakeIndex catalogue (US, M1.5+), built from the USGS FDSN event service. Before 2016: USGS ComCat, M5+ from 1900. Distances are between epicentres. This is the record, not a forecast.

Where

Epicentre 18.2130, -66.5246. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Jayuya Municipio, PR 7 km (4 mi) W earthquakes near Jayuya Municipio
Ciales Municipio, PR 9 km (6 mi) N earthquakes near Ciales Municipio
Orocovis Municipio, PR 9 km (6 mi) E earthquakes near Orocovis Municipio
Villalba Municipio, PR 11 km (7 mi) SSE earthquakes near Villalba Municipio
Morovis Municipio, PR 16 km (10 mi) NE earthquakes near Morovis Municipio
Florida Municipio, PR 18 km (11 mi) NNW earthquakes near Florida 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. 1.6 4 km E of Tallaboa Alta, Puerto Rico
  2. 1.5 4 km E of Tallaboa Alta, Puerto Rico
  3. 1.9 9 km SSE of Lares, Puerto Rico
  4. 2.2 2 km SSW of Tallaboa, Puerto Rico
  5. 3.2 Puerto Rico region
  6. 2.1 14 km N of Brenas, Puerto Rico
  7. 2.5 11 km N of Carrizales, Puerto Rico
  8. 1.6 0 km SW of Capitanejo, Puerto Rico
  9. 1.8 4 km S of Caguas, Puerto Rico
  10. 1.6 2 km ENE of Lluveras, Puerto Rico
  11. 1.7 4 km SSE of Indios, Puerto Rico
  12. 1.8 2 km NNW of Sabana Grande, Puerto Rico
  13. 2.3 3 km ENE of Bayamón, Puerto Rico
  14. 1.6 8 km ENE of Sabana Grande, Puerto Rico
  15. 2.9 8 km NNW of Dorado, 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.