QuakeIndex

Earthquake · reviewed by a seismologist

M 2.0md

Earthquake near Animas, PR

No earthquake was likely felt in Animas in the 24 hours to 1:32 am AST (05:32 UTC). The last one was M 2.9, 11 km (7 mi) N, at 2:05 am AST on 13 October 2026, estimated intensity II (weak) in town. Every earthquake near Animas

This page: a magnitude 2.0 earthquake was recorded 10 km (6 mi) north of Animas, PR, at 2:16 am AST on 17 July 2018 (06:16 UTC), 73 km deep.

USGS: 9 km N of Animas, Puerto Rico

14 km (9 mi) NE of Arecibo, PR · 61 km (38 mi) WNW of San Juan, PR

2:16 am AST, Jul 17, 2018 · · 73 km deep · released about 36 lb of TNT

Every earthquake near Animas Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Barceloneta Municipio 10 kmArecibo Municipio 12 kmManatí Municipio 17 kmFlorida Municipio 20 kmHatillo Municipio 21 kmVega Baja Municipio 26 kmCamuy Municipio 27 kmCiales Municipio 29 kmUtuado Municipio 30 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
2:16 am AST on 17 July 2018 ()
Where
10 km (6 mi) north of Animas, PR · earthquakes near Animas
Magnitude
M 2.0 (md)
Depth
73 km below the surface
Felt
no reports yet
Nearest
Barceloneta Municipio, 10 km SE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 3040 days ago

This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.

At this magnitude and depth it was probably too small to be felt, even directly above it. In Animas, 10 km away, the estimate is intensity I (not felt). 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: Garrochales, Sabana Hoyos, Arecibo, Barceloneta, Bajadero, Imbery.

How big was it?

This earthquake released about 36 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.0 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 420,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 300,000× the energy of this one
  3. Around the size people start to feel M 3.0 27× the energy of this one
  4. This earthquake M 2.0 about 36 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

No earthquake of M4 or more has been recorded within 50 km since our catalogue begins in 2016.

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

  1. 5.8 12 km N of Garrochales, Puerto Rico · 7 km ENE of this epicentre
  2. 5.8 4 km E of Moca, Puerto Rico · 49 km WSW of this epicentre
  3. 5.0 3 km N of Brenas, Puerto Rico · 30 km E 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 18.5335, -66.6273. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Barceloneta Municipio, PR 10 km (6 mi) SE earthquakes near Barceloneta Municipio
Arecibo Municipio, PR 12 km (8 mi) SSW earthquakes near Arecibo Municipio
Manatí Municipio, PR 17 km (11 mi) SE earthquakes near Manatí Municipio
Florida Municipio, PR 20 km (12 mi) SSE earthquakes near Florida Municipio
Hatillo Municipio, PR 21 km (13 mi) WSW earthquakes near Hatillo Municipio
Vega Baja Municipio, PR 26 km (16 mi) ESE earthquakes near Vega Baja Municipio

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

Aftershocks so far

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

  1. 2.2 1 km SSE of Adjuntas, Puerto Rico
  2. 1.6 3 km SW of Adjuntas, Puerto Rico
  3. 1.7 6 km SSE of Adjuntas, Puerto Rico
  4. 2.2 9 km NNE of San Antonio, Puerto Rico
  5. 2.8 31 km N of Tierras Nuevas Poniente, Puerto Rico
  6. 2.5 23 km N of Carrizales, Puerto Rico
  7. 2.1 4 km NNW of Santo Domingo, Puerto Rico
  8. 2.4 33 km NNW of Tierras Nuevas Poniente, Puerto Rico
  9. 2.8 3 km NNE of Naranjito, Puerto Rico
  10. 2.0 1 km NE of Sabana Seca, Puerto Rico
  11. 2.2 44 km NNE of Carrizales, Puerto Rico
  12. 1.8 6 km WSW of Adjuntas, Puerto Rico
  13. 1.8 3 km NE of Hatillo, Puerto Rico
  14. 2.3 18 km NNE of Arecibo, Puerto Rico
  15. 2.5 33 km N of Tierras Nuevas Poniente, 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.