QuakeIndex

Earthquake · reviewed by a seismologist

M 3.0md

Earthquake near Hatillo, PR

No earthquake was likely felt in Hatillo in the 24 hours to 9:41 am AST (13:41 UTC). The last one was M 3.4, 40 km (25 mi) NW, at 9:00 pm AST on 27 October 2026, estimated intensity II (weak) in town. Every earthquake near Hatillo

This page: a magnitude 3.0 earthquake was recorded in Hatillo, PR, at 1:40 am AST on 22 September 2024 (05:40 UTC), 14 km deep.

USGS: 1 km NNE of Hatillo, Puerto Rico

10 km (6 mi) WNW of Arecibo, PR · 80 km (50 mi) W of San Juan, PR

1:40 am AST, Sep 22, 2024 · · 14 km deep · released about 830 lb of TNT

Every earthquake near Hatillo Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Hatillo Municipio 7 kmCamuy Municipio 8 kmQuebradillas Municipio 12 kmArecibo Municipio 17 kmIsabela Municipio 21 kmSan Sebastián Municipio 25 kmLares Municipio 26 kmBarceloneta Municipio 28 kmUtuado Municipio 28 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
1:40 am AST on 22 September 2024 ()
Where
in Hatillo, PR · earthquakes near Hatillo
Magnitude
M 3.0 (md)
Depth
14 km below the surface
Felt
no reports yet
Nearest
Hatillo Municipio, 7 km SSE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 782 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 32 km (20 mi) from the epicentre. 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: Hatillo in town, intensity III · Arecibo 11 km, intensity II · Quebradillas 13 km, intensity II · Isabela 22 km, intensity II · Lares 24 km, intensity II · San Sebastián 26 km, intensity II · Rafael Hernandez 28 km, intensity II · Barceloneta 30 km, intensity II. Estimated for each town centre; each link is that town's own record.

How big was it?

This earthquake released about 830 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 6.7 410,000× the energy of this one
  2. Mineral, Virginia 2011 M 5.8 18,000× the energy of this one
  3. Magna, Utah 2020 M 5.7 13,000× the energy of this one
  4. This earthquake M 3.0 about 830 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 4.2 on 2022-11-29 — about 78 times the energy of this one.

Before 2016, the USGS record lists 7 earthquakes of M5 or more within 50 km; the five largest:

  1. 7.1 24 km NNW of San Antonio, Puerto Rico · 45 km WNW of this epicentre
  2. 6.3 6 km WNW of Aguadilla, Puerto Rico · 42 km W of this epicentre
  3. 6.1 15 km WNW of San Antonio, Puerto Rico · 44 km W of this epicentre
  4. 6.1 18 km NNW of San Antonio, Puerto Rico · 41 km WNW of this epicentre
  5. 5.8 12 km N of Garrochales, Puerto Rico · 28 km ENE 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 18.5023, -66.8183. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Hatillo Municipio, PR 7 km (4 mi) SSE earthquakes near Hatillo Municipio
Camuy Municipio, PR 8 km (5 mi) SW earthquakes near Camuy Municipio
Quebradillas Municipio, PR 12 km (8 mi) WSW earthquakes near Quebradillas Municipio
Arecibo Municipio, PR 17 km (11 mi) ESE earthquakes near Arecibo Municipio
Isabela Municipio, PR 21 km (13 mi) W earthquakes near Isabela Municipio
San Sebastián Municipio, PR 25 km (15 mi) SW earthquakes near San Sebastián 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. 3.0 17 km N of Arecibo, Puerto Rico
  2. 3.0 23 km N of Tierras Nuevas Poniente, Puerto Rico
  3. 2.2 18 km NNE of Isabela, Puerto Rico
  4. 3.3 2 km NNW of La Luisa, Puerto Rico
  5. 3.2 10 km NNW of Garrochales, Puerto Rico
  6. 2.6 17 km N of Hatillo, Puerto Rico
  7. 2.9 17 km N of Isabela, Puerto Rico
  8. 2.8 16 km N of Tierras Nuevas Poniente, Puerto Rico
  9. 2.6 5 km NNW of Arecibo, Puerto Rico
  10. 2.3 4 km SSW of Adjuntas, Puerto Rico
  11. 2.5 5 km WSW of Ciales, Puerto Rico
  12. 2.9 4 km WNW of Santo Domingo, Puerto Rico
  13. 2.5 5 km NW of Sabana Grande, Puerto Rico
  14. 3.2 5 km SSE of Mora, Puerto Rico
  15. 2.3 5 km ENE of Hormigueros, 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.