QuakeIndex

Earthquake · reviewed by a seismologist

M 1.8md

Earthquake near La Parguera, PR

Yes: an earthquake was likely felt in La Parguera in the last 24 hours. M 2.4, 13 km (8 mi) ESE of La Parguera, at 3:43 pm AST on 11 November 2026 (19:43 UTC); the estimated shaking in La Parguera was intensity II (weak). Every earthquake near La Parguera

This page: a magnitude 1.8 earthquake was recorded 6 km (4 mi) east-southeast of La Parguera, PR, at 11:14 am AST on 1 December 2020 (15:14 UTC), 10 km deep.

USGS: 6 km ESE of La Parguera, Puerto Rico

39 km (24 mi) W of Ponce, PR · 32 km (20 mi) SSE of Mayagüez, PR

11:14 am AST, Dec 1, 2020 · · 10 km deep · released about 14 lb of TNT

Every earthquake near La Parguera Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Lajas Municipio 6 kmGuánica Municipio 7 kmSabana Grande Municipio 15 kmSan Germán Municipio 17 kmYauco Municipio 20 kmCabo Rojo Municipio 21 kmGuayanilla Municipio 21 kmHormigueros Municipio 24 kmMaricao Municipio 25 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
11:14 am AST on 1 December 2020 ()
Where
6 km (4 mi) east-southeast of La Parguera, PR · earthquakes near La Parguera
Magnitude
M 1.8 (md)
Depth
10 km below the surface
Felt
no reports yet
Nearest
Lajas Municipio, 6 km WNW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2171 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 9 km (6 mi) from the epicentre. In La Parguera, 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.

Earthquakes near other towns within 30 km: Fuig, Guánica, Liborio Negron Torres, Maria Antonia, Lajas, Lluveras.

How big was it?

This earthquake released about 14 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 1,100,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 790,000× the energy of this one
  3. Around the size people start to feel M 3.0 70× the energy of this one
  4. This earthquake M 1.8 about 14 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 6.4 on 2020-01-07 — about 8,800,000 times the energy of this one.

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

  1. 5.8 4 km E of Moca, Puerto Rico · 50 km N of this epicentre
  2. 5.2 19 km SW of Stella, Puerto Rico · 48 km WNW of this epicentre
  3. 5.1 21 km SW of Stella, Puerto Rico · 47 km WNW 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 17.9570, -66.9901. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Lajas Municipio, PR 6 km (4 mi) WNW earthquakes near Lajas Municipio
Guánica Municipio, PR 7 km (4 mi) E earthquakes near Guánica Municipio
Sabana Grande Municipio, PR 15 km (9 mi) NNE earthquakes near Sabana Grande Municipio
San Germán Municipio, PR 17 km (11 mi) NNW earthquakes near San Germán Municipio
Yauco Municipio, PR 20 km (12 mi) NE earthquakes near Yauco Municipio
Cabo Rojo Municipio, PR 21 km (13 mi) WNW earthquakes near Cabo Rojo Municipio

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

Aftershocks so far

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

  1. 3.1 8 km SE of Maria Antonia, Puerto Rico
  2. 2.7 13 km SSE of Maria Antonia, Puerto Rico
  3. 1.9 12 km S of Guánica, Puerto Rico
  4. 1.9 6 km WSW of Fuig, Puerto Rico
  5. 2.4 2 km WNW of La Parguera, Puerto Rico
  6. 2.7 8 km SSW of Capitanejo, Puerto Rico
  7. 3.0 6 km WSW of La Parguera, Puerto Rico
  8. 2.9 11 km SSE of Guánica, Puerto Rico
  9. 2.4 1 km ESE of Magas Arriba, Puerto Rico
  10. 2.3 3 km SW of Fuig, Puerto Rico
  11. 2.0 5 km SW of La Parguera, Puerto Rico
  12. 2.2 20 km SSW of Guánica, Puerto Rico
  13. 2.0 3 km SSE of Guánica, Puerto Rico
  14. 2.1 3 km ESE of Magas Arriba, Puerto Rico
  15. 2.7 2 km SSE of Palomas, 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.