QuakeIndex

Earthquake · reviewed by a seismologist

M 2.3md

Earthquake near Mayagüez, PR

No earthquake was likely felt in Mayagüez in the 24 hours to 10:46 am AST (14:46 UTC). The last one was M 2.9, 25 km (15 mi) SSE, at 3:17 am AST on 8 November 2026, estimated intensity II (weak) in town. Every earthquake near Mayagüez

This page: a magnitude 2.3 earthquake was recorded 44 km (28 mi) west-northwest of Mayagüez, PR, at 4:06 am AST on 17 November 2019 (08:06 UTC), 15 km deep.

USGS: 30 km W of Rincón, Puerto Rico

44 km (27 mi) WNW of Mayagüez, PR · 103 km (64 mi) WNW of Ponce, PR

4:06 am AST, Nov 17, 2019 · · 15 km deep · released about 91 lb of TNT

Every earthquake near Mayagüez Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Rincón Municipio 30 kmAguada Municipio 37 kmAñasco Municipio 43 kmAguadilla Municipio 44 kmMayagüez Municipio 47 kmMoca Municipio 48 kmHormigueros Municipio 50 kmCabo Rojo Municipio 53 kmIsabela Municipio 57 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
4:06 am AST on 17 November 2019 ()
Where
44 km (28 mi) west-northwest of Mayagüez, PR · earthquakes near Mayagüez
Magnitude
M 2.3 (md)
Depth
15 km below the surface
Felt
no reports yet
Nearest
Rincón Municipio, 30 km E
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2551 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 13 km (8 mi) from the epicentre. In Mayagüez, 44 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.

How big was it?

This earthquake released about 91 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.3 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 170,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 120,000× the energy of this one
  3. Around the size people start to feel M 3.0 10× the energy of this one
  4. This earthquake M 2.3 about 91 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 4.4 on 2017-10-01 — about 1,300 times the energy of this one.

Before 2016, the USGS record lists 9 earthquakes of M5 or more within 50 km; the five largest:

  1. 6.4 32 km NW of Aguadilla, Puerto Rico · 35 km NNE of this epicentre
  2. 6.3 6 km WNW of Aguadilla, Puerto Rico · 36 km ENE of this epicentre
  3. 6.3 58 km E of Punta Cana, Dominican Republic · 39 km WNW of this epicentre
  4. 6.1 15 km WNW of San Antonio, Puerto Rico · 40 km NE of this epicentre
  5. 6.1 18 km NNW of San Antonio, Puerto Rico · 50 km NE 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 18.3400, -67.5345. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Rincón Municipio, PR 30 km (19 mi) E earthquakes near Rincón Municipio
Aguada Municipio, PR 37 km (23 mi) E earthquakes near Aguada Municipio
Añasco Municipio, PR 43 km (27 mi) E earthquakes near Añasco Municipio
Aguadilla Municipio, PR 44 km (27 mi) ENE earthquakes near Aguadilla Municipio
Mayagüez Municipio, PR 47 km (29 mi) SW earthquakes near Mayagüez Municipio
Moca Municipio, PR 48 km (30 mi) E earthquakes near Moca Municipio

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

Aftershocks so far

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

  1. 3.1 48 km ESE of Punta Cana, Dominican Republic
  2. 2.6 49 km NW of Rincón, Puerto Rico
  3. 2.8 3 km SW of Mayagüez, Puerto Rico
  4. 2.3 54 km NW of Rincón, Puerto Rico
  5. 2.1 39 km NW of Rincón, Puerto Rico
  6. 1.9 4 km N of Puerto Real, Puerto Rico
  7. 1.9 8 km NNW of Puerto Real, Puerto Rico
  8. 2.1 1 km SSE of Aguada, Puerto Rico
  9. 1.9 4 km E of Rincón, Puerto Rico
  10. 2.7 0 km E of Añasco, Puerto Rico
  11. 2.2 20 km WNW of Puerto Real, Puerto Rico
  12. 1.8 12 km WSW of Puerto Real, Puerto Rico
  13. 1.9 21 km WNW of Rincón, Puerto Rico
  14. 2.1 11 km WNW of Pole Ojea, Puerto Rico
  15. 2.7 7 km SSW of Stella, 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.