QuakeIndex

Earthquake · reviewed by a seismologist

M 1.9Md

118 km N of Charlotte Amalie, U.S. Virgin Islands

· 57 km deep · released about 21 lb 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 1.9 (Md)
Depth
57 km below the surface
Felt
no reports yet
Nearest
Fajardo Municipio, 136 km SSW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 3775 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 21 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.9 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 710,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 500,000× the energy of this one
  3. Around the size people start to feel M 3.0 45× the energy of this one
  4. This earthquake M 1.9 about 21 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 19.4099, -64.8844. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Fajardo Municipio, PR 136 km (84 mi) NNE of here earthquakes near Fajardo Municipio
Luquillo Municipio, PR 145 km (90 mi) NE of here earthquakes near Luquillo Municipio
Río Grande Municipio, PR 150 km (93 mi) NE of here earthquakes near Río Grande Municipio
Loíza Municipio, PR 155 km (96 mi) NE of here earthquakes near Loíza Municipio
Carolina Municipio, PR 160 km (100 mi) NE of here earthquakes near Carolina Municipio
Trujillo Alto Municipio, PR 168 km (104 mi) NE of here earthquakes near Trujillo Alto Municipio

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

Aftershocks so far

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

  1. 2.2 97 km N of Charlotte Amalie, U.S. Virgin Islands
  2. 3.0 69 km N of Charlotte Amalie, U.S. Virgin Islands
  3. 2.5 99 km NNE of Cruz Bay, U.S. Virgin Islands
  4. 2.9 95 km N of Cruz Bay, U.S. Virgin Islands
  5. 3.1 104 km NNE of Cruz Bay, U.S. Virgin Islands
  6. 2.5 138 km NNE of Vieques, Puerto Rico
  7. 3.3 129 km NNW of Charlotte Amalie, U.S. Virgin Islands
  8. 2.4 101 km N of Cruz Bay, U.S. Virgin Islands
  9. 2.6 86 km N of Charlotte Amalie, U.S. Virgin Islands
  10. 2.0 106 km N of Charlotte Amalie, U.S. Virgin Islands
  11. 2.2 106 km N of Charlotte Amalie, U.S. Virgin Islands
  12. 3.4 130 km NNW of Charlotte Amalie, U.S. Virgin Islands
  13. 2.2 101 km N of Cruz Bay, U.S. Virgin Islands
  14. 2.3 102 km N of Cruz Bay, U.S. Virgin Islands
  15. 2.9 96 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.

On USGS

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