QuakeIndex

Earthquake · reviewed by a seismologist

M 2.6md

Earthquake near Carrizales, PR

No earthquake was likely felt in Carrizales in the 24 hours to 10:08 am AST (14:08 UTC). The last one was M 3.4, 43 km (27 mi) NW, at 9:00 pm AST on 27 October 2026, estimated intensity II (weak) in town. Every earthquake near Carrizales

This page: a magnitude 2.6 earthquake was recorded 24 km (15 mi) north-northeast of Carrizales, PR, at 8:21 am AST on 25 April 2019 (12:21 UTC), 17 km deep.

USGS: 23 km NNE of Carrizales, Puerto Rico

79 km (49 mi) WNW of San Juan, PR · 26 km (16 mi) N of Arecibo, PR

8:21 am AST, Apr 25, 2019 · · 17 km deep · released about 280 lb of TNT

Every earthquake near Carrizales Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Hatillo Municipio 28 kmArecibo Municipio 29 kmCamuy Municipio 30 kmBarceloneta Municipio 31 kmQuebradillas Municipio 31 kmIsabela Municipio 36 kmManatí Municipio 38 kmFlorida Municipio 41 kmVega Baja Municipio 45 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
8:21 am AST on 25 April 2019 ()
Where
24 km (15 mi) north-northeast of Carrizales, PR · earthquakes near Carrizales
Magnitude
M 2.6 (md)
Depth
17 km below the surface
Felt
no reports yet
Nearest
Hatillo Municipio, 28 km SSW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2678 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 18 km (11 mi) from the epicentre. In Carrizales, 24 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: Hatillo, Arecibo, Camuy, Corcovado, Rafael Gonzalez, Animas.

How big was it?

This earthquake released about 280 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.6 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 53,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 38,000× the energy of this one
  3. Around the size people start to feel M 3.0 3.3× the energy of this one
  4. This earthquake M 2.6 about 280 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 4.7 on 2017-07-17 — about 1,000 times the energy of this one.

Before 2016, the USGS record lists 13 earthquakes of M5 or more within 50 km; the five largest:

  1. 7.7 45 km N of San Antonio, Puerto Rico · 46 km WNW of this epicentre
  2. 7.1 24 km NNW of San Antonio, Puerto Rico · 47 km W of this epicentre
  3. 6.4 61 km N of Hatillo, Puerto Rico · 40 km N of this epicentre
  4. 6.1 18 km NNW of San Antonio, Puerto Rico · 46 km W of this epicentre
  5. 5.8 12 km N of Garrochales, Puerto Rico · 24 km SE 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 18.6906, -66.7451. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Hatillo Municipio, PR 28 km (18 mi) SSW earthquakes near Hatillo Municipio
Arecibo Municipio, PR 29 km (18 mi) SSE earthquakes near Arecibo Municipio
Camuy Municipio, PR 30 km (19 mi) SSW earthquakes near Camuy Municipio
Barceloneta Municipio, PR 31 km (20 mi) SE earthquakes near Barceloneta Municipio
Quebradillas Municipio, PR 31 km (20 mi) SW earthquakes near Quebradillas Municipio
Isabela Municipio, PR 36 km (23 mi) SW earthquakes near Isabela Municipio

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

Aftershocks so far

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

  1. 2.4 13 km NNE of Carrizales, Puerto Rico
  2. 2.6 57 km N of Tierras Nuevas Poniente, Puerto Rico
  3. 1.7 5 km NNW of Brenas, Puerto Rico
  4. 2.9 17 km N of Hatillo, Puerto Rico
  5. 2.6 3 km WSW of Ciales, Puerto Rico
  6. 2.3 27 km N of Brenas, Puerto Rico
  7. 2.4 36 km NNE of Isabela, Puerto Rico
  8. 2.5 2 km E of Tierras Nuevas Poniente, Puerto Rico
  9. 2.7 57 km N of Hatillo, Puerto Rico
  10. 2.2 19 km N of Arecibo, Puerto Rico
  11. 2.4 6 km NNE of Hatillo, Puerto Rico
  12. 1.7 10 km N of Hatillo, Puerto Rico
  13. 2.7 53 km N of Hatillo, Puerto Rico
  14. 2.0 20 km NNE of Tierras Nuevas Poniente, Puerto Rico
  15. 2.3 19 km NW of San Antonio, 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.