QuakeIndex

Earthquake · reviewed by a seismologist

M 3.0md

Earthquake near Aguadilla, PR

No earthquake was likely felt in Aguadilla in the 24 hours to 5:25 pm AST (21:25 UTC). The last one was M 3.5, 4 km (3 mi) SE, at 12:03 am AST on 6 November 2026, estimated intensity II (weak) in town. Every earthquake near Aguadilla

This page: a magnitude 3.0 earthquake was recorded 47 km (29 mi) north-northwest of Aguadilla, PR, at 4:58 pm AST on 11 January 2023 (20:58 UTC), 29 km deep.

USGS: 44 km NW of San Antonio, Puerto Rico

4:58 pm AST, Jan 11, 2023 · · 29 km deep · released about 1,100 lb of TNT

10 km30 km60 km120 km N Aguadilla Municipio 42 kmAguada Municipio 50 kmIsabela Municipio 51 kmRincón Municipio 52 kmMoca Municipio 56 kmQuebradillas Municipio 59 kmAñasco Municipio 62 kmCamuy Municipio 66 kmSan Sebastián Municipio 67 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
4:58 pm AST on 11 January 2023 ()
Where
47 km (29 mi) north-northwest of Aguadilla, PR · earthquakes near Aguadilla
Magnitude
M 3.0 (md)
Depth
29 km below the surface
Felt
no reports yet
Nearest
Aguadilla Municipio, 42 km SE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 1400 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage.

At this magnitude and depth, people at rest would likely notice it out to about 26 km (16 mi) from the epicentre. In Aguadilla, 47 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 1,100 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 4.0 would have released about 32 times as much.

  1. Northridge, California 1994 M 6.7 300,000× the energy of this one
  2. Mineral, Virginia 2011 M 5.8 13,000× the energy of this one
  3. Magna, Utah 2020 M 5.7 9,400× the energy of this one
  4. This earthquake M 3.0 about 1,100 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 6.0 on 2019-09-24 — about 27,000 times the energy of this one.

Before 2016, the USGS record lists 14 earthquakes of M5 or more within 50 km; the five largest:

  1. 7.7 45 km N of San Antonio, Puerto Rico · 30 km ENE of this epicentre
  2. 7.1 24 km NNW of San Antonio, Puerto Rico · 22 km ESE of this epicentre
  3. 6.4 32 km NW of Aguadilla, Puerto Rico · 19 km S of this epicentre
  4. 6.3 6 km WNW of Aguadilla, Puerto Rico · 42 km SSE of this epicentre
  5. 6.1 15 km WNW of San Antonio, Puerto Rico · 31 km SSE 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 18.7895, -67.3775. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Aguadilla Municipio, PR 42 km (26 mi) SE earthquakes near Aguadilla Municipio
Aguada Municipio, PR 50 km (31 mi) SSE earthquakes near Aguada Municipio
Isabela Municipio, PR 51 km (32 mi) SE earthquakes near Isabela Municipio
Rincón Municipio, PR 52 km (32 mi) SSE earthquakes near Rincón Municipio
Moca Municipio, PR 56 km (35 mi) SE earthquakes near Moca Municipio
Quebradillas Municipio, PR 59 km (37 mi) SE earthquakes near Quebradillas Municipio

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

Aftershocks so far

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

  1. 3.4 Mona Passage
  2. 3.6 Mona Passage
  3. 3.7 81 km NE of Punta Cana, Dominican Republic
  4. 3.3 76 km NW of San Antonio, Puerto Rico
  5. 3.7 60 km N of Isabela, Puerto Rico
  6. 3.5 76 km NW of San Antonio, Puerto Rico
  7. 3.8 86 km NE of Punta Cana, Dominican Republic
  8. 2.8 23 km NW of Rinc?n, Puerto Rico
  9. 3.6 71 km N of San Antonio, Puerto Rico
  10. 3.0 42 km NNW of San Antonio, Puerto Rico
  11. 3.2 42 km NW of San Antonio, Puerto Rico
  12. 3.2 52 km N of Isabela, Puerto Rico
  13. 3.5 74 km NW of Rincón, Puerto Rico
  14. 3.9 61 km N of San Antonio, Puerto Rico
  15. 2.7 24 km WNW of Rincón, 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.