QuakeIndex

Earthquake · reviewed by a seismologist

M 2.3Md

23 km SW of Charlotte Amalie, U.S. Virgin Islands

· 6.0 km deep · released about 85 lb of TNT

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10 km30 km60 km120 km N Culebra Municipio 25 kmVieques Municipio 36 kmFajardo Municipio 55 kmCeiba Municipio 55 kmLuquillo Municipio 67 kmNaguabo Municipio 67 kmHumacao Municipio 73 kmRío Grande Municipio 76 kmLas Piedras Municipio 81 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 2.3 (Md)
Depth
6.0 km below the surface
Felt
no reports yet
Nearest
Culebra Municipio, 25 km WNW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 3610 days ago

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

How big was it?

This earthquake released about 85 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.3 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 180,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 130,000× the energy of this one
  3. Around the size people start to feel M 3.0 11× the energy of this one
  4. This earthquake M 2.3 about 85 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 18.2105, -65.1016. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Culebra Municipio, PR 25 km (16 mi) ESE of here earthquakes near Culebra Municipio
Vieques Municipio, PR 36 km (23 mi) ENE of here earthquakes near Vieques Municipio
Fajardo Municipio, PR 55 km (34 mi) ESE of here earthquakes near Fajardo Municipio
Ceiba Municipio, PR 55 km (34 mi) E of here earthquakes near Ceiba Municipio
Luquillo Municipio, PR 67 km (41 mi) ESE of here earthquakes near Luquillo Municipio
Naguabo Municipio, PR 67 km (42 mi) E of here earthquakes near Naguabo Municipio

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

Aftershocks so far

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

  1. 2.0 27 km SSE of Cruz Bay, U.S. Virgin Islands
  2. 2.1 14 km SE of Esperanza, Puerto Rico
  3. 1.6 31 km SSW of Charlotte Amalie, U.S. Virgin Islands
  4. 2.2 15 km NW of Charlotte Amalie, U.S. Virgin Islands
  5. 2.7 24 km SSE of Cruz Bay, U.S. Virgin Islands
  6. 2.4 Puerto Rico region
  7. 2.3 17 km SSE of Esperanza, Puerto Rico
  8. 1.9 24 km N of Charlotte Amalie, U.S. Virgin Islands
  9. 2.3 31 km SSW of Charlotte Amalie, U.S. Virgin Islands
  10. 2.2 9 km S of Charlotte Amalie, U.S. Virgin Islands
  11. 1.6 5 km W of Esperanza, Puerto Rico
  12. 2.6 17 km N of Cruz Bay, U.S. Virgin Islands
  13. 2.7 30 km SSW of Charlotte Amalie, U.S. Virgin Islands
  14. 1.5 32 km SSW of Charlotte Amalie, U.S. Virgin Islands
  15. 2.1 32 km SSW 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.

On USGS

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