QuakeIndex

Earthquake · reviewed by a seismologist

M 2.6md

1 km N of Pueblito del Rio, Puerto Rico

· 13 km deep · released about 220 lb of TNT

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10 km30 km60 km120 km N Juncos Municipio 5 kmLas Piedras Municipio 6 kmCanóvanas Municipio 10 kmGurabo Municipio 13 kmNaguabo Municipio 14 kmHumacao Municipio 15 kmSan Lorenzo Municipio 16 kmRío Grande Municipio 16 kmTrujillo Alto Municipio 18 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
Magnitude
M 2.6 (md)
Depth
13 km below the surface
Felt
no reports yet
Nearest
Juncos Municipio, 5 km WSW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 3341 days ago

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

How big was it?

This earthquake released about 220 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 68,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 48,000× the energy of this one
  3. Around the size people start to feel M 3.0 4.3× the energy of this one
  4. This earthquake M 2.6 about 220 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.

Where

Epicentre 18.2450, -65.8650. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Juncos Municipio, PR 5 km (3 mi) ENE of here earthquakes near Juncos Municipio
Las Piedras Municipio, PR 6 km (4 mi) N of here earthquakes near Las Piedras Municipio
Canóvanas Municipio, PR 10 km (6 mi) SSE of here earthquakes near Canóvanas Municipio
Gurabo Municipio, PR 13 km (8 mi) ESE of here earthquakes near Gurabo Municipio
Naguabo Municipio, PR 14 km (9 mi) WNW of here earthquakes near Naguabo Municipio
Humacao Municipio, PR 15 km (9 mi) NW of here earthquakes near Humacao Municipio

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

Aftershocks so far

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

  1. 2.6 16 km SSE of Punta Santiago, Puerto Rico
  2. 3.1 Puerto Rico region
  3. 2.5 5 km E of Bayamon, Puerto Rico
  4. 3.1 1 km SW of Trujillo Alto, Puerto Rico
  5. 3.1 2 km ENE of Candelero Arriba, Puerto Rico
  6. 2.6 1 km NW of Aguas Buenas, Puerto Rico
  7. 2.3 3 km NNW of Patillas, Puerto Rico
  8. 2.9 24 km N of Loíza, Puerto Rico
  9. 2.6 2 km NNW of El Negro, Puerto Rico
  10. 2.8 1 km NNE of Yabucoa, Puerto Rico
  11. 3.0 10 km NNW of San Juan, Puerto Rico
  12. 2.6 6 km NNW of Bairoa, Puerto Rico
  13. 3.2 4 km WNW of Aguas Claras, Puerto Rico
  14. 2.0 17 km SE of Emajagua, Puerto Rico
  15. 2.1 14 km SE of El Negro, 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.

For this area

The largest earthquake within 50 km in our catalogue was M 4.6 on 2016-12-05 — it released about 1,100 times the energy of this one.

From the QuakeIndex catalogue, built from the USGS FDSN event service.

On USGS

QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.