QuakeIndex

Earthquake · reviewed by a seismologist

M 4.2mb

11 km WNW of Guayabo Dulce, Dominican Republic

· 104 km deep · released about 30 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 4.2 (mb)
Depth
104 km below the surface
Felt
119 reports · strongest reported intensity V
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 1758 days ago

This was a light earthquake. It is usually felt clearly nearby and can rattle windows and dishes, but damage is uncommon. 119 people have reported feeling it to USGS.

How big was it?

This earthquake released about 30 tons of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 5.2 would have released about 32 times as much.

  1. Northridge, California 1994 M 6.7 5,600× the energy of this one
  2. Mineral, Virginia 2011 M 5.8 250× the energy of this one
  3. Magna, Utah 2020 M 5.7 180× the energy of this one
  4. This earthquake M 4.2 about 30 tons of TNT
  5. Around the size people start to feel M 3.0 this one released 63× 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 18.6991, -69.3796. Map © OpenStreetMap contributors.

Aftershocks so far

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

  1. 2.7 5 km NNE of Ramón Santana, Dominican Republic
  2. 3.9 1 km S of Guaymate, Dominican Republic
  3. 3.2 10 km W of Guaymate, Dominican Republic
  4. 3.8 7 km SSE of Guaymate, Dominican Republic
  5. 4.3 11 km SSE of Ramón Santana, Dominican Republic
  6. 2.8 12 km NW of La Romana, Dominican Republic
  7. 3.8 9 km SE of Ramón Santana, Dominican Republic
  8. 4.2 7 km S of Monte Plata, Dominican Republic
  9. 2.9 6 km SE of Pedro Sánchez, Dominican Republic
  10. 4.1 16 km WSW of La Romana, Dominican Republic
  11. 2.6 11 km SSE of Miches, Dominican Republic
  12. 4.1 Dominican Republic region
  13. 3.4 7 km NW of La Romana, Dominican Republic
  14. 3.8 13 km SE of Miches, Dominican Republic
  15. 4.3 11 km W of La Romana, Dominican Republic

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 2019-07-28 — it released about 5.6 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.