QuakeIndex

Earthquake · reviewed by a seismologist

M 1.8md

Earthquake near Yaurel, PR

No earthquake was likely felt in Yaurel in the 24 hours to 12:37 am AST (04:37 UTC). The last one was M 3.3, 42 km (26 mi) WSW, at 8:40 am AST on 1 November 2026, estimated intensity II (weak) in town. Every earthquake near Yaurel

This page: a magnitude 1.8 earthquake was recorded 6 km (4 mi) north-northwest of Yaurel, PR, at 5:11 am AST on 29 May 2018 (09:11 UTC), 8.0 km deep.

USGS: 5 km NNW of Yaurel, Puerto Rico

36 km (23 mi) S of San Juan, PR · 17 km (11 mi) SSW of Caguas, PR

5:11 am AST, May 29, 2018 · · 8.0 km deep · released about 16 lb of TNT

Every earthquake near Yaurel Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Cayey Municipio 9 kmArroyo Municipio 12 kmPatillas Municipio 13 kmSan Lorenzo Municipio 13 kmGuayama Municipio 13 kmCidra Municipio 14 kmCaguas Municipio 15 kmAguas Buenas Municipio 21 kmMaunabo Municipio 21 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
5:11 am AST on 29 May 2018 ()
Where
6 km (4 mi) north-northwest of Yaurel, PR · earthquakes near Yaurel
Magnitude
M 1.8 (md)
Depth
8.0 km below the surface
Felt
no reports yet
Nearest
Cayey Municipio, 9 km WNW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 3089 days ago

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

At this magnitude and depth, people at rest would likely notice it out to about 11 km (7 mi) from the epicentre. In Yaurel, 6 km away, the estimate is intensity II (weak). 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.

Likely felt in: Cayey 10 km, intensity II · Guayama 11 km, intensity II. Estimated for each town centre; each link is that town's own record.

How big was it?

This earthquake released about 16 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.8 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 930,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 660,000× the energy of this one
  3. Around the size people start to feel M 3.0 59× the energy of this one
  4. This earthquake M 1.8 about 16 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

The largest earthquake within 50 km since 2016 was M 4.6 on 2016-12-05 — about 15,000 times the energy of this one.

Before 2016, the USGS record lists one earthquake of M5 or more within 50 km:

  1. 5.1 3 km W of Aguas Buenas, Puerto Rico · 21 km NNW 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 18.0785, -66.0741. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Cayey Municipio, PR 9 km (5 mi) WNW earthquakes near Cayey Municipio
Arroyo Municipio, PR 12 km (8 mi) SSE earthquakes near Arroyo Municipio
Patillas Municipio, PR 13 km (8 mi) SE earthquakes near Patillas Municipio
San Lorenzo Municipio, PR 13 km (8 mi) NE earthquakes near San Lorenzo Municipio
Guayama Municipio, PR 13 km (8 mi) SSW earthquakes near Guayama Municipio
Cidra Municipio, PR 14 km (9 mi) NW earthquakes near Cidra Municipio

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

Aftershocks so far

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

  1. 2.1 7 km E of Naranjito, Puerto Rico
  2. 1.5 2 km N of Coquí, Puerto Rico
  3. 2.2 2 km NNE of Coquí, Puerto Rico
  4. 2.0 1 km W of Guayabal, Puerto Rico
  5. 2.1 2 km E of Juana Díaz, Puerto Rico
  6. 2.3 2 km SW of Bajandas, Puerto Rico
  7. 2.1 7 km S of Emajagua, Puerto Rico
  8. 2.7 2 km E of La Fermina, Puerto Rico
  9. 1.6 0 km SW of Capitanejo, Puerto Rico
  10. 2.0 9 km SSW of Emajagua, Puerto Rico
  11. 1.9 6 km SSW of Emajagua, Puerto Rico
  12. 1.8 4 km S of Caguas, Puerto Rico
  13. 2.3 3 km ENE of Bayamón, Puerto Rico
  14. 2.4 4 km NNE of Orocovis, Puerto Rico
  15. 2.0 1 km N of Bayamon, 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.