QuakeIndex

Earthquake · reviewed by a seismologist

M 4.7md

137 km N of Culebra, Puerto Rico

· 106 km deep · released about 140 tons of TNT

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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 4.7 (md)
Depth
106 km below the surface
Felt
1 report · strongest reported intensity II
Nearest
Dorado Municipio, 159 km SW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 589 days ago

This was a light earthquake. It is usually felt clearly nearby and can rattle windows and dishes, but damage is uncommon. 1 person has reported feeling it to USGS.

How big was it?

This earthquake released about 140 tons of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 5.7 would have released about 32 times as much.

  1. Northridge, California 1994 M 6.7 1,200× the energy of this one
  2. Mineral, Virginia 2011 M 5.8 53× the energy of this one
  3. Magna, Utah 2020 M 5.7 38× the energy of this one
  4. This earthquake M 4.7 about 140 tons of TNT
  5. Around the size people start to feel M 3.0 this one released 300× more

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 19.5463, -65.2615. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Dorado Municipio, PR 159 km (99 mi) NE of here earthquakes near Dorado Municipio

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

Aftershocks so far

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

  1. 3.7 131 km NNE of Vieques, Puerto Rico
  2. 3.3 133 km NNE of Vieques, Puerto Rico
  3. 3.4 130 km NNE of Vieques, Puerto Rico
  4. 3.8 141 km NNE of Vieques, Puerto Rico
  5. 3.7 137 km NNE of Vieques, Puerto Rico
  6. 3.8 121 km NNE of Vieques, Puerto Rico
  7. 4.0 143 km NNE of Vieques, Puerto Rico
  8. 3.7 133 km NNE of Vieques, Puerto Rico
  9. 3.4 106 km NNE of Vieques, Puerto Rico
  10. 3.3 99 km N of Culebra, Puerto Rico
  11. 3.9 143 km NNE of Vieques, Puerto Rico
  12. 3.7 147 km N of Charlotte Amalie, U.S. Virgin Islands
  13. 3.8 113 km NNE of Vieques, Puerto Rico
  14. 3.4 137 km NNE of Vieques, Puerto Rico
  15. 2.9 105 km N of Charlotte Amalie, U.S. Virgin Islands

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 4.9 on 2018-11-14 — it released about 2.4 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.