QuakeIndex

Earthquake · reviewed by a seismologist

M 2.5md

23 km N of Cruz Bay, U.S. Virgin Islands

· 22 km deep · released about 190 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Culebra Municipio 55 kmVieques Municipio 78 kmFajardo Municipio 81 kmCeiba Municipio 89 kmLuquillo Municipio 94 kmNaguabo Municipio 102 kmRío Grande Municipio 103 kmHumacao Municipio 110 kmCanóvanas Municipio 113 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 2.5 (md)
Depth
22 km below the surface
Felt
no reports yet
Nearest
Culebra Municipio, 55 km WSW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2612 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 190 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.5 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 80,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 57,000× the energy of this one
  3. Around the size people start to feel M 3.0 5.1× the energy of this one
  4. This earthquake M 2.5 about 190 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 18.5380, -64.8363. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Culebra Municipio, PR 55 km (34 mi) ENE of here earthquakes near Culebra Municipio
Vieques Municipio, PR 78 km (48 mi) NE of here earthquakes near Vieques Municipio
Fajardo Municipio, PR 81 km (50 mi) ENE of here earthquakes near Fajardo Municipio
Ceiba Municipio, PR 89 km (55 mi) ENE of here earthquakes near Ceiba Municipio
Luquillo Municipio, PR 94 km (58 mi) ENE of here earthquakes near Luquillo Municipio
Naguabo Municipio, PR 102 km (63 mi) ENE of here earthquakes near Naguabo Municipio

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

Aftershocks so far

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

  1. 3.2 28 km NE of Cruz Bay, U.S. Virgin Islands
  2. 2.7 9 km ENE of Culebra, Puerto Rico
  3. 3.1 17 km NNW of Charlotte Amalie, U.S. Virgin Islands
  4. 2.4 20 km SSW of Charlotte Amalie, U.S. Virgin Islands
  5. 3.3 48 km NNE of Cruz Bay, U.S. Virgin Islands
  6. 2.7 33 km NNW of Charlotte Amalie, U.S. Virgin Islands
  7. 3.2 Puerto Rico region
  8. 2.6 21 km N of Charlotte Amalie, U.S. Virgin Islands
  9. 3.1 62 km N of Charlotte Amalie, U.S. Virgin Islands
  10. 2.6 43 km NNW of Charlotte Amalie, U.S. Virgin Islands
  11. 2.3 23 km NNW of Charlotte Amalie, U.S. Virgin Islands
  12. 3.1 52 km NNE of Culebra, Puerto Rico
  13. 3.1 64 km N of Cruz Bay, U.S. Virgin Islands
  14. 3.1 19 km E of Cruz Bay, U.S. Virgin Islands
  15. 3.1 18 km ESE of Cruz Bay, 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 4.7 on 2018-04-06 — it released about 1,800 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.